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/******************************************************************************************************
jQuery.ThreeDots
Author Jeremy Horn
Version 1.0.10 (Developed in Aptana Studio 1.5.1)
Date: 1/25/2010
Copyright (c) 2010 Jeremy Horn- jeremydhorn(at)gmail(dot)c0m | http://tpgblog.com
Dual licensed under MIT and GPL.
For more detailed documentation, including the latest updates and links to more usage and
examples, go to:
http://tpgblog.com/ThreeDots/
KNOWN BUGS
None
DESCRIPTION
Sometimes the text ...
... is too long ...
... won't fit within the number of rows you have available.
Sometimes all you need is ... ThreeDots!
ThreeDots is a customizable jQuery plugin for the smart truncation of text. It shortens
provided text to fit specified dimensions and appends the desired ellipsis style
if/when truncation occurs.
For example ---
This:
There was once a brown fox
that liked to eat chocolate
pudding.
When restricted to 2 lines by ThreeDots, can become:
There was once a brown fox
that liked to eat ...
Or:
There was once a brown fox
that liked to (click for more)
... and most any other permutation you desire.
BY DEFAULT
The three dots ellipsis ("...") is used, as shown in the prior example, and limits
text to a maximum of 2 lines. These and many other characteristics are fully customizable,
and fully itemized and explained below.
IMPLEMENTATION
HTML:
TEXT
JS: $('.text_here').ThreeDots(); // USE DEFAULTS
$('.text_here2').ThreeDots({ { max_rows:3 });
COMPATIBILITY
Tested in FF3.5, IE7, Chrome
With jQuery 1.3.x, 1.4
METHODS
ThreeDots()
When intialized the ThreeDots plugin creates and assigns the full set of provided text
to each container element as a publically accessible attribute, 'threedots'. Method
implementation supports chaining and returns jQuery object.
Note that to implement, the text that you wish to ellipsize must be wrapped in a span
assigned either the default class 'ellipsis_text' or other custom class of your
preference -- customizable via the options/settings.
If the text becomes truncated to fit within the constrained space defined by the
container element that holds the 'ellipsis_text' span then an additional span is
appended within the container object, and after the 'ellipsis_text' span.
Note, that the span class of 'threedots_ellipsis' can also be customized via the
options/settings and have it's own CSS/jQuery styles/actions/etc. applied to it as
desired.
If any of the specified settings are invalid or the 'ellipsis_text' span is missing
nothing will happen.
IMPORTANT: The horizontal constrains placed upon each row are controled by the
container object. The container object is the object specified in the
primary selector.
e.g. $('container_object').ThreeDots();
So, remember to set container_object's WIDTH.
ThreeDots.update()
Refreshes the contents of the text within the target object inline with the
options provided. Note, that the current implementation of options/settings
are destructive. This means that whenever OPTIONS are specified they are
merged with the DEFAULT options and applied to the current object(s), and
destroy/override any previously specified options/settings.
example:
var obj = $('.text_here').ThreeDots(); // uses DEFAULT: max_rows = 2
obj.update({max_rows:3}); // update the text with max_rows = 3
CUSTOMIZATION
ThreeDots(OPTIONS)
e.g. $('.text_here').ThreeDots({ max_rows: 4 });
valid_delimiters: character array of special characters upon which the text string may be broken up;
defines what characters can be used to express the bounds of a word
all elements in this array must be 1 character in length; any delimiter less than
or greater than 1 character will be ignored
ellipsis_string: defines what to display at the tail end of the text provided if the text becomes
truncated to fit within the space defined by the container object
max_rows: specifies the upper limit for the number of rows that the object's text can use
text_span_class: by default ThreeDots will look within the specified object(s) for a span
of the class 'ellipsis_text'
e_span_class: if an ellipsis_string is displayed at the tail end of the selected object's
text due to truncation of that text then it will be displayed wrapped within
a span associated with the class defined by e_span_class and immediately
following the text_span_class' span
whole_word: when fitting the provided text to the max_rows within the container object
this boolean setting defines whether or not the
if true
THEN don't truncate any words; ellipsis can ONLY be placed after
the last whole word that fits within the provided space, OR
if false
THEN maximuze the text within the provided space, allowing the
PARTIAL display of words before the ellipsis
allow_dangle: a dangling ellipsis is an ellipsis that typically occurs due to words that
are longer than a single row of text, resulting, upon text truncation in
the ellipsis being displayed on a row all by itself
if allow_dangle is set to false, whole_words is overridden ONLY in the
circumstances where a dangling ellipsis occurs and the displayed text
is adjusted to minimize the occurence of such dangling
alt_text_e: alt_text_e is a shortcut to enabling the user of the product that
made use of ThreeDots to see the full text, prior to truncation
if the value is set to true, then the ellipsis span's title property
is set to the full, original text (pre-truncation)
alt_text_t: alt_text_t is a shortcut to enabling the user of the product that
made use of ThreeDots to see the full text, prior to truncation
if the value is set to true AND the ellipsis is displayed, then the
text span's title property is set to the full, original text
(pre-truncation)
MORE
For latest updates and links to more usage and examples, go to:
http://tpgblog.com/ThreeDots/
FUTURE NOTE
Do not write any code dependent on the c_settings variable. If you don't know what this is
cool -- you don't need to. ;-) c_settings WILL BE DEPRECATED.
Further optimizations in progress...
******************************************************************************************************/
(function($) {
var tagRegex = /<(\/?)(\w+)[^<]*?>\s*$/i, // regex that searches for tags (opening or closing) at the end of the string
openH2Regex = /
/gi; // matches an all open h2's
/**********************************************************************************
METHOD
ThreeDots {PUBLIC}
DESCRIPTION
ThreeDots method constructor
allows for the customization of ellipsis, delimiters, etc., and smart
truncation of provided objects' text
e.g. $(something).ThreeDots();
**********************************************************************************/
$.fn.ThreeDots = function(options) {
var return_value = this;
// check for new & valid options
if ((typeof options == 'object') || (options == undefined)) {
$.fn.ThreeDots.the_selected = this;
var return_value = $.fn.ThreeDots.update(options);
}
return return_value;
};
/**********************************************************************************
METHOD
ThreeDots.update {PUBLIC}
DESCRIPTION
applies the core logic of ThreeDots
allows for the customization of ellipsis, delimiters, etc., and smart
truncation of provided objects' text
updates the objects' visible text to fit within its container(s)
TODO
instead of having all options/settings calls be constructive have
settings associated w/ object returned also accessible from HERE
[STATIC settings, associated w/ the initial call]
**********************************************************************************/
$.fn.ThreeDots.update = function(options) {
// initialize local variables
var curr_this, last_word = null;
var lineh, paddingt, paddingb, innerh, temp_height;
var curr_text_span,curr_text_span_obj, lws; /* last word structure */
var last_text, three_dots_value, last_del;
// check for new & valid options
if ((typeof options == 'object') || (options == undefined)) {
// then update the settings
// CURRENTLY, settings are not CONSTRUCTIVE, but merged with the DEFAULTS every time
$.fn.ThreeDots.c_settings = $.extend({}, $.fn.ThreeDots.settings, options);
var max_rows = $.fn.ThreeDots.c_settings.max_rows,
max_height = $.fn.ThreeDots.c_settings.max_height;
if (max_rows < 1 && !max_height) {
return $.fn.ThreeDots.the_selected;
}
// make sure at least 1 valid delimiter
var valid_delimiter_exists = false;
jQuery.each($.fn.ThreeDots.c_settings.valid_delimiters, function(i, curr_del) {
if (((new String(curr_del)).length == 1)) {
valid_delimiter_exists = true;
}
});
if (valid_delimiter_exists == false) {
return $.fn.ThreeDots.the_selected;
}
// process all provided objects
$.fn.ThreeDots.the_selected.each(function() {
// element-specific code here
curr_this = $(this);
// obtain the text span
if (getTextSpan($(curr_this)).length == 0) {
// if span doesnt exist, then go to next
return true;
}
curr_text_span = getTextSpan($(curr_this)).get(0);
curr_text_span_obj = $(curr_text_span);
// pre-calc fixed components of num_rows
var nr_fixed = num_rows(curr_this, true),
e_span_class = '.' + $.fn.ThreeDots.c_settings.e_span_class,
// remember where it all began so that we can see if we ended up exactly where we started
init_text_span = curr_text_span_obj.html(),
init_baretext_span = $.trim(curr_text_span_obj.text());
// preprocessor TODO make the_bisector work for max_height
if (max_height)
the_bisector_words(curr_this, curr_text_span, nr_fixed);
else
the_bisector(curr_this, curr_text_span, nr_fixed);
var init_post_b = curr_text_span_obj.html();
// if the object has been initialized, then user must be calling UPDATE
// THEREFORE refresh the text area before re-operating
if ((three_dots_value = $(curr_this).attr('threedots')) != undefined) {
curr_text_span_obj.html(three_dots_value);
curr_this.find(e_span_class).remove();
}
last_text = curr_text_span_obj.html();
if (last_text.length <= 0) {
last_text = '';
}
$(curr_this).attr('threedots', init_text_span);
var curr_ellipsis = ''
+ $.fn.ThreeDots.c_settings.ellipsis_string
+ '';
if (too_big(curr_this, nr_fixed, max_height, max_rows)) {
// append the ellipsis span & remember the original text
last_text = curr_text_span_obj.html();
curr_text_span_obj.html(addEllipsis(last_text, curr_ellipsis));
// remove 1 word at a time UNTIL max_rows
while (too_big(curr_this, nr_fixed, max_height, max_rows)) {
lws = the_last_word_html(last_text);// HERE
last_text = lws.updated_string;
curr_text_span_obj.html(addEllipsis(lws.updated_string, curr_ellipsis));
last_word = lws.word;
last_del = lws.del;
if (last_del == null) {
break;
}
} // while (too_big(curr_this, nr_fixed, max_height, max_rows))
// check for super long words
if (last_word != null && !max_height) {
var is_dangling = dangling_ellipsis(curr_this, nr_fixed);
if ((num_rows(curr_this, nr_fixed) <= max_rows - 1)
|| (is_dangling)
|| (!$.fn.ThreeDots.c_settings.whole_word)) {
if (lws.del != null) {
curr_text_span_obj.html(addEllipsis(last_text + last_del, curr_ellipsis));
}
if (num_rows(curr_this, nr_fixed) > max_rows) {
// undo what i just did and stop
curr_text_span_obj.html(addEllipsis(last_text, curr_ellipsis));
} else {
// keep going
last_text = last_text + last_del + last_word;
curr_text_span_obj.html(addEllipsis(last_text, curr_ellipsis));
// break up the last word IFF (1) word is longer than a line, OR (2) whole_word == false
if ((num_rows(curr_this, nr_fixed) > max_rows + 1)
|| (!$.fn.ThreeDots.c_settings.whole_word)
|| (init_post_b == last_word)
|| is_dangling) {
// remove 1 char at a time until it all fits
while ((num_rows(curr_this, nr_fixed) > max_rows)) {
if (last_text.length > 0) {
last_text = last_text.substr(0, last_text.length - 1)
curr_text_span_obj.html(addEllipsis(last_text, curr_ellipsis));
} else {
/*
there is no hope for you; you are crazy;
either pick a shorter ellipsis_string OR
use a wider object --- geeze!
*/
break;
}
}
}
}
}
} // end check for super long words
}
// if nothing has changed, remove the ellipsis
if (init_text_span == $($(curr_this).children('.' + $.fn.ThreeDots.c_settings.text_span_class).get(0)).html()) {
$(curr_this).find(e_span_class).remove();
} else {
// only add any title text if the ellipsis is visible
if (($(curr_this).find(e_span_class)).length > 0) {
if ($.fn.ThreeDots.c_settings.alt_text_t) {
$(curr_this).children('.' + $.fn.ThreeDots.c_settings.text_span_class).attr('title', init_baretext_span);
}
if ($.fn.ThreeDots.c_settings.alt_text_e) {
$(curr_this).find(e_span_class).attr('title', init_baretext_span);
}
}
}
}); // $.fn.ThreeDots.the_selected.each(function()
}
return $.fn.ThreeDots.the_selected;
};
function getTextSpan(obj) {
return obj.children('.' + $.fn.ThreeDots.c_settings.text_span_class);
}
/**********************************************************************************
METHOD
ThreeDots.settings {PUBLIC}
DESCRIPTION
data structure containing the max_rows, ellipsis string, and other
behavioral settings
can be directly accessed by '$.fn.ThreeDots.settings = ...... ;'
**********************************************************************************/
$.fn.ThreeDots.settings = {
valid_delimiters: [' ', ',', '.', '<', '>'], // what defines the bounds of a word to you?
ellipsis_string: '...',
max_rows: 2,
text_span_class: 'ellipsis_text',
e_span_class: 'threedots_ellipsis',
whole_word: true,
allow_dangle: false,
alt_text_e: false, // if true, mouse over of ellipsis displays the full text
alt_text_t: false // if true & if ellipsis displayed, mouse over of text displays the full text
};
/**********************************************************************************
METHOD
dangling_ellipsis {private}
DESCRIPTION
determines whether or not the currently calculated ellipsized text
is displaying a dangling ellipsis (= an ellipsis on a line by itself)
returns true if ellipsis is dangling, otherwise false
**********************************************************************************/
function dangling_ellipsis(obj, nr_fixed){
if ($.fn.ThreeDots.c_settings.allow_dangle == true) {
return false; // why do when no doing need be done?
}
// initialize variables
var ellipsis_obj = $(obj).children('.'+$.fn.ThreeDots.c_settings.e_span_class).get(0);
var remember_display = $(ellipsis_obj).css('display');
var num_rows_before = num_rows(obj, nr_fixed);
// temporarily hide ellipsis
$(ellipsis_obj).css('display','none');
var num_rows_after = num_rows(obj, nr_fixed);
// restore ellipsis
$(ellipsis_obj).css('display',remember_display);
if (num_rows_before > num_rows_after) {
return true; // ASSUMPTION: removing the ellipsis changed the height
// THEREFORE the ellipsis was on a row all by its lonesome
} else {
return false; // nothing dangling here
}
}
/**********************************************************************************
METHOD
num_rows {private}
DESCRIPTION
returns the number of rows/lines that the current object's text covers if
cstate is an object
this function can be initially called to pre-calculate values that will
stay fixed throughout the truncation process for the current object so
that the values do not have to be called every time; to do this the
num_rows function is called with a boolean value within the cstate
when boolean cstate, an object is returned containing padding and line
height information that is then passed in as the cstate object on
subsequent calls to the function
**********************************************************************************/
function too_big(obj, cstate, max_height, max_rows) {
return max_height
?obj_height(obj) > max_height
:num_rows(obj, cstate) > max_rows;
}
function num_rows(obj, cstate){
var the_type = typeof cstate;
if ( (the_type == 'object')
|| (the_type == undefined) ) {
var height =obj_height(obj),
rows = height / cstate.lh;
// do the math & return
return rows;
} else if (the_type == 'boolean') {
var lineheight = lineheight_px($(obj));
return {
lh: lineheight
};
}
}
function obj_height(obj) {
return $(obj).height();
}
function addEllipsis(str, ellipsis, tagstack) {
var tagstack = tagstack || [],
workingstr = str,
match,
retval,
lastH2 = -1,
i;
while(1) {
match = tagRegex.exec(workingstr);
if (match) {
// ends in tag.
tagstack.unshift(match);
workingstr = workingstr.substring(0, match.index);
} else {
// we found a word!
$.each(tagstack, function(i,x){if (x[2].toLowerCase() =="h2") lastH2 = i});
if (lastH2 >= 0) {
// need to chew back to the last opening h2.
var lasti = -1, mtc;
openH2Regex.lastIndex = 0;
while(mtc= openH2Regex.exec(str)){
lasti = openH2Regex.lastIndex - mtc[0].length;
};
if (lasti >= 0) {
// trim everything from the open h2 onwards
workingstr = workingstr.substring(0, lasti);
// remove closing tags before and including the h2
tagstack.splice(0, lastH2+1);
}
// after we clip the h2, the string may again end in tags.
return addEllipsis(workingstr, ellipsis, tagstack);
} else {
return addBackTags(workingstr + ellipsis, tagstack);
}
}
}
}
function addBackTags(retval, tagstack) {
var i, lctag, contained = /<.*?\/>\s*/;
for (i = 0; i < tagstack.length; i++) {
lctag =tagstack[i][2].toLowerCase();
if (lctag != "br" && lctag != "li" && !contained.test(tagstack[i][0])) {
retval += tagstack[i][0];
}
}
return retval;
}
/**********************************************************************************
METHOD
the_last_word_html {private}
DESCRIPTION
Similar to the_last_word, but it respects html elements
return a data structure containing...
[word] the last word within the specified text defined
by the specified valid_delimiters,
[del] the delimiter occurring directly before the
word, and
[updated_string] the updated text minus the last word
[del] is null if the last word is the first and/or only word in the text
string
**********************************************************************************/
function the_last_word_html(str) {
var contained = /<.*?\/>\s*/,
tagstack = [],
workingstr = str,
i;
while(1) {
var match = tagRegex.exec(workingstr);
if (match) {
// ends in tag.
tagstack.unshift(match);
workingstr = workingstr.substring(0, match.index);
} else {
// we found a word!
var lws = the_last_word(workingstr);
if (lws.del == ">" || lws.del == "<") lws.updated_string += lws.del;
// remove all matching tag pairs....
removeMatchingPairs(tagstack);
if (tagstack.length>0 ) {
//check to see if updated string ends in matching tag
match = tagRegex.exec(lws.updated_string);
if (match && matching_pair(match, tagstack[0])) {
// remove the match
lws.updated_string = lws.updated_string.substring(0, match.index);
tagstack.shift();
}
// remove non-exporting tags
var oldStackLen = tagstack.length;
tagstack = $.grep(tagstack,function(x){
var lctag = x[2].toLowerCase();
return lctag != "br" && lctag != "li" && !contained.test(x[0]);
});
// check for matching pairs a final time
if (tagstack.length != oldStackLen)
removeMatchingPairs(tagstack);
// add back the tags.
for (i = 0; i < tagstack.length; i++)
lws.updated_string += tagstack[i][0];
}
return lws;
}
}
}
function removeMatchingPairs(tagstack) {
for (i = tagstack.length-1; i > 0; i--) {
// check if tags
if (matching_pair(tagstack[i-1], tagstack[i])) {
tagstack.splice(i-1, 2);
i--;
}
}
}
function matching_pair(match1, match2) {
return match1[2] == match2[2] &&
(match1[1] != "/") && (match2[1] == "/");
}
/**********************************************************************************
METHOD
the_last_word {private}
DESCRIPTION
return a data structure containing...
[word] the last word within the specified text defined
by the specified valid_delimiters,
[del] the delimiter occurring directly before the
word, and
[updated_string] the updated text minus the last word
[del] is null if the last word is the first and/or only word in the text
string
**********************************************************************************/
function the_last_word(str){
var temp_word_index;
var v_del = $.fn.ThreeDots.c_settings.valid_delimiters;
// trim the string
str = jQuery.trim(str);
// initialize variables
var lastest_word_idx = -1;
var lastest_word = null;
var lastest_del = null;
// for all given delimiters, determine which delimiter results in the smallest word cut
jQuery.each(v_del, function(i, curr_del){
if (((new String(curr_del)).length != 1)
|| (curr_del == null)) { // implemented to handle IE NULL condition; if only typeof could say CHAR :(
return false; // INVALID delimiter; must be 1 character in length
}
var tmp_word_index = str.lastIndexOf(curr_del);
if (tmp_word_index != -1) {
if (tmp_word_index > lastest_word_idx) {
lastest_word_idx = tmp_word_index;
lastest_word = str.substring(lastest_word_idx+1);
lastest_del = curr_del;
}
}
});
// return data structure of word reduced string and the last word
if (lastest_word_idx > 0) {
return {
updated_string: jQuery.trim(str.substring(0, lastest_word_idx/*-1*/)),
word: lastest_word,
del: lastest_del
};
} else { // the lastest word
return {
updated_string: '',
word: jQuery.trim(str),
del: null
};
}
}
/**********************************************************************************
METHOD
lineheight_px {private}
DESCRIPTION
returns the line height of a row of the provided text (within the text
span) in pixels
**********************************************************************************/
function lineheight_px(obj) {
// shhhh... show
$(obj).append("
H
");
// measure
var temp_height = $('#temp_ellipsis_div').height();
// cut
$('#temp_ellipsis_div').remove();
return temp_height;
}
/**********************************************************************************
METHOD
the_bisector (private)
DESCRIPTION
updates the target objects current text to shortest overflowing string
length (if overflowing is occurring) by adding/removing halves (like
binary search)
because...
taking some bigger steps at the beginning should save us some real
time in the end
**********************************************************************************/
function the_bisector(obj, curr_text_span, nr_fixed){
var init_text = $(curr_text_span).html();
var curr_text = init_text;
var max_rows = $.fn.ThreeDots.c_settings.max_rows;
var front_half, back_half, front_of_back_half, middle, back_middle;
var start_index;
if (num_rows(obj, nr_fixed) <= max_rows) {
// do nothing
return;
} else {
// zero in on the solution
start_index = 0;
curr_length = curr_text.length;
curr_middle = Math.floor((curr_length - start_index) / 2);
front_half = init_text.substring(start_index, start_index+curr_middle);
back_half = init_text.substring(start_index + curr_middle);
while (curr_middle != 0) {
$(curr_text_span).html(front_half);
if (num_rows(obj, nr_fixed) <= (max_rows)) {
// text = text + front half of back-half
back_middle = Math.floor((back_half.length+1)/2);
front_of_back_half = back_half.substring(0, back_middle);
start_index = front_half.length;
curr_text = front_half+front_of_back_half;
curr_length = curr_text.length;
$(curr_text_span).html(curr_text);
} else {
// text = front half (which it already is)
curr_text = front_half;
curr_length = curr_text.length;
}
curr_middle = Math.floor((curr_length - start_index) / 2);
front_half = init_text.substring(0, start_index+curr_middle);
back_half = init_text.substring(start_index + curr_middle);
}
}
}
// like the bisector, but operates on words.
function the_bisector_words(obj, curr_text_span, nr_fixed){
var init_text = $(curr_text_span).html(),
max_rows = $.fn.ThreeDots.c_settings.max_rows,
max_height = $.fn.ThreeDots.c_settings.max_height;
if (too_big(obj, nr_fixed, max_height, max_rows)) {
var start_index = 0,
truncation_series = [init_text],
end_index,
lws = the_last_word_html(init_text);
// populate truncation array
while (lws.del) {
truncation_series.unshift(lws.updated_string);
lws = the_last_word_html(lws.updated_string);
}
end_index = truncation_series.length-1;
while (start_index < end_index) {
var middle_index = Math.floor((start_index + end_index) /2);
$(curr_text_span).html(truncation_series[middle_index]);
if (too_big(obj, nr_fixed, max_height, max_rows)) {
end_index = middle_index;
} else {
if (start_index == middle_index) {
$(curr_text_span).html(truncation_series[middle_index +1]);
start_index = middle_index+1;
} else {
start_index = middle_index;
}
}
}
}
}
})(jQuery);
;;
/**
* DD_belatedPNG: Adds IE6 support: PNG images for CSS background-image and HTML .
* Author: Drew Diller
* Email: drew.diller@gmail.com
* URL: http://www.dillerdesign.com/experiment/DD_belatedPNG/
* Version: 0.0.8a
* Licensed under the MIT License: http://dillerdesign.com/experiment/DD_belatedPNG/#license
*
* Example usage:
* DD_belatedPNG.fix('.png_bg'); // argument is a CSS selector
* DD_belatedPNG.fixPng( someNode ); // argument is an HTMLDomElement
**/
if($.browser.msie && $.browser.version == "6.0") {
var DD_belatedPNG={ns:"DD_belatedPNG",imgSize:{},delay:10,nodesFixed:0,createVmlNameSpace:function(){if(document.namespaces&&!document.namespaces[this.ns]){document.namespaces.add(this.ns,"urn:schemas-microsoft-com:vml")}},createVmlStyleSheet:function(){var b,a;b=document.createElement("style");b.setAttribute("media","screen");document.documentElement.firstChild.insertBefore(b,document.documentElement.firstChild.firstChild);if(b.styleSheet){b=b.styleSheet;b.addRule(this.ns+"\\:*","{behavior:url(#default#VML)}");b.addRule(this.ns+"\\:shape","position:absolute;");b.addRule("img."+this.ns+"_sizeFinder","behavior:none; border:none; position:absolute; z-index:-1; top:-10000px; visibility:hidden;");this.screenStyleSheet=b;a=document.createElement("style");a.setAttribute("media","print");document.documentElement.firstChild.insertBefore(a,document.documentElement.firstChild.firstChild);a=a.styleSheet;a.addRule(this.ns+"\\:*","{display: none !important;}");a.addRule("img."+this.ns+"_sizeFinder","{display: none !important;}")}},readPropertyChange:function(){var b,c,a;b=event.srcElement;if(!b.vmlInitiated){return}if(event.propertyName.search("background")!=-1||event.propertyName.search("border")!=-1){DD_belatedPNG.applyVML(b)}if(event.propertyName=="style.display"){c=(b.currentStyle.display=="none")?"none":"block";for(a in b.vml){if(b.vml.hasOwnProperty(a)){b.vml[a].shape.style.display=c}}}if(event.propertyName.search("filter")!=-1){DD_belatedPNG.vmlOpacity(b)}},vmlOpacity:function(b){if(b.currentStyle.filter.search("lpha")!=-1){var a=b.currentStyle.filter;a=parseInt(a.substring(a.lastIndexOf("=")+1,a.lastIndexOf(")")),10)/100;b.vml.color.shape.style.filter=b.currentStyle.filter;b.vml.image.fill.opacity=a}},handlePseudoHover:function(a){setTimeout(function(){DD_belatedPNG.applyVML(a)},1)},fix:function(a){if(this.screenStyleSheet){var c,b;c=a.split(",");for(b=0;bn.H){i.B=n.H}d.vml.image.shape.style.clip="rect("+i.T+"px "+(i.R+a)+"px "+i.B+"px "+(i.L+a)+"px)"}else{d.vml.image.shape.style.clip="rect("+f.T+"px "+f.R+"px "+f.B+"px "+f.L+"px)"}},figurePercentage:function(d,c,f,a){var b,e;e=true;b=(f=="X");switch(a){case"left":case"top":d[f]=0;break;case"center":d[f]=0.5;break;case"right":case"bottom":d[f]=1;break;default:if(a.search("%")!=-1){d[f]=parseInt(a,10)/100}else{e=false}}d[f]=Math.ceil(e?((c[b?"W":"H"]*d[f])-(c[b?"w":"h"]*d[f])):parseInt(a,10));if(d[f]%2===0){d[f]++}return d[f]},fixPng:function(c){c.style.behavior="none";var g,b,f,a,d;if(c.nodeName=="BODY"||c.nodeName=="TD"||c.nodeName=="TR"){return}c.isImg=false;if(c.nodeName=="IMG"){if(c.src.toLowerCase().search(/\.png$/)!=-1){c.isImg=true;c.style.visibility="hidden"}else{return}}else{if(c.currentStyle.backgroundImage.toLowerCase().search(".png")==-1){return}}g=DD_belatedPNG;c.vml={color:{},image:{}};b={shape:{},fill:{}};for(a in c.vml){if(c.vml.hasOwnProperty(a)){for(d in b){if(b.hasOwnProperty(d)){f=g.ns+":"+d;c.vml[a][d]=document.createElement(f)}}c.vml[a].shape.stroked=false;c.vml[a].shape.appendChild(c.vml[a].fill);c.parentNode.insertBefore(c.vml[a].shape,c)}}c.vml.image.shape.fillcolor="none";c.vml.image.fill.type="tile";c.vml.color.fill.on=false;g.attachHandlers(c);g.giveLayout(c);g.giveLayout(c.offsetParent);c.vmlInitiated=true;g.applyVML(c)}};try{document.execCommand("BackgroundImageCache",false,true)}catch(r){}DD_belatedPNG.createVmlNameSpace();DD_belatedPNG.createVmlStyleSheet();
}
;;
// Underscore.js 1.3.3
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the MIT license.
// Portions of Underscore are inspired or borrowed from Prototype,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
(function() {
// Baseline setup
// --------------
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;
// Save the previous value of the `_` variable.
var previousUnderscore = root._;
// Establish the object that gets returned to break out of a loop iteration.
var breaker = {};
// Save bytes in the minified (but not gzipped) version:
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
// Create quick reference variables for speed access to core prototypes.
var slice = ArrayProto.slice,
unshift = ArrayProto.unshift,
toString = ObjProto.toString,
hasOwnProperty = ObjProto.hasOwnProperty;
// All **ECMAScript 5** native function implementations that we hope to use
// are declared here.
var
nativeForEach = ArrayProto.forEach,
nativeMap = ArrayProto.map,
nativeReduce = ArrayProto.reduce,
nativeReduceRight = ArrayProto.reduceRight,
nativeFilter = ArrayProto.filter,
nativeEvery = ArrayProto.every,
nativeSome = ArrayProto.some,
nativeIndexOf = ArrayProto.indexOf,
nativeLastIndexOf = ArrayProto.lastIndexOf,
nativeIsArray = Array.isArray,
nativeKeys = Object.keys,
nativeBind = FuncProto.bind;
// Create a safe reference to the Underscore object for use below.
var _ = function(obj) { return new wrapper(obj); };
// Export the Underscore object for **Node.js**, with
// backwards-compatibility for the old `require()` API. If we're in
// the browser, add `_` as a global object via a string identifier,
// for Closure Compiler "advanced" mode.
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
exports = module.exports = _;
}
exports._ = _;
} else {
root['_'] = _;
}
// Current version.
_.VERSION = '1.3.3';
// Collection Functions
// --------------------
// The cornerstone, an `each` implementation, aka `forEach`.
// Handles objects with the built-in `forEach`, arrays, and raw objects.
// Delegates to **ECMAScript 5**'s native `forEach` if available.
var each = _.each = _.forEach = function(obj, iterator, context) {
if (obj == null) return;
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
for (var i = 0, l = obj.length; i < l; i++) {
if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
}
} else {
for (var key in obj) {
if (_.has(obj, key)) {
if (iterator.call(context, obj[key], key, obj) === breaker) return;
}
}
}
};
// Return the results of applying the iterator to each element.
// Delegates to **ECMAScript 5**'s native `map` if available.
_.map = _.collect = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
each(obj, function(value, index, list) {
results[results.length] = iterator.call(context, value, index, list);
});
if (obj.length === +obj.length) results.length = obj.length;
return results;
};
// **Reduce** builds up a single result from a list of values, aka `inject`,
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
}
each(obj, function(value, index, list) {
if (!initial) {
memo = value;
initial = true;
} else {
memo = iterator.call(context, memo, value, index, list);
}
});
if (!initial) throw new TypeError('Reduce of empty array with no initial value');
return memo;
};
// The right-associative version of reduce, also known as `foldr`.
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
}
var reversed = _.toArray(obj).reverse();
if (context && !initial) iterator = _.bind(iterator, context);
return initial ? _.reduce(reversed, iterator, memo, context) : _.reduce(reversed, iterator);
};
// Return the first value which passes a truth test. Aliased as `detect`.
_.find = _.detect = function(obj, iterator, context) {
var result;
any(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
return true;
}
});
return result;
};
// Return all the elements that pass a truth test.
// Delegates to **ECMAScript 5**'s native `filter` if available.
// Aliased as `select`.
_.filter = _.select = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) results[results.length] = value;
});
return results;
};
// Return all the elements for which a truth test fails.
_.reject = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
each(obj, function(value, index, list) {
if (!iterator.call(context, value, index, list)) results[results.length] = value;
});
return results;
};
// Determine whether all of the elements match a truth test.
// Delegates to **ECMAScript 5**'s native `every` if available.
// Aliased as `all`.
_.every = _.all = function(obj, iterator, context) {
var result = true;
if (obj == null) return result;
if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
each(obj, function(value, index, list) {
if (!(result = result && iterator.call(context, value, index, list))) return breaker;
});
return !!result;
};
// Determine if at least one element in the object matches a truth test.
// Delegates to **ECMAScript 5**'s native `some` if available.
// Aliased as `any`.
var any = _.some = _.any = function(obj, iterator, context) {
iterator || (iterator = _.identity);
var result = false;
if (obj == null) return result;
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
each(obj, function(value, index, list) {
if (result || (result = iterator.call(context, value, index, list))) return breaker;
});
return !!result;
};
// Determine if a given value is included in the array or object using `===`.
// Aliased as `contains`.
_.include = _.contains = function(obj, target) {
var found = false;
if (obj == null) return found;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
found = any(obj, function(value) {
return value === target;
});
return found;
};
// Invoke a method (with arguments) on every item in a collection.
_.invoke = function(obj, method) {
var args = slice.call(arguments, 2);
return _.map(obj, function(value) {
return (_.isFunction(method) ? method || value : value[method]).apply(value, args);
});
};
// Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) {
return _.map(obj, function(value){ return value[key]; });
};
// Return the maximum element or (element-based computation).
_.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0]) return Math.max.apply(Math, obj);
if (!iterator && _.isEmpty(obj)) return -Infinity;
var result = {computed : -Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed >= result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Return the minimum element (or element-based computation).
_.min = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0]) return Math.min.apply(Math, obj);
if (!iterator && _.isEmpty(obj)) return Infinity;
var result = {computed : Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed < result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Shuffle an array.
_.shuffle = function(obj) {
var shuffled = [], rand;
each(obj, function(value, index, list) {
rand = Math.floor(Math.random() * (index + 1));
shuffled[index] = shuffled[rand];
shuffled[rand] = value;
});
return shuffled;
};
// Sort the object's values by a criterion produced by an iterator.
_.sortBy = function(obj, val, context) {
var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
return _.pluck(_.map(obj, function(value, index, list) {
return {
value : value,
criteria : iterator.call(context, value, index, list)
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
if (a === void 0) return 1;
if (b === void 0) return -1;
return a < b ? -1 : a > b ? 1 : 0;
}), 'value');
};
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
_.groupBy = function(obj, val) {
var result = {};
var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
each(obj, function(value, index) {
var key = iterator(value, index);
(result[key] || (result[key] = [])).push(value);
});
return result;
};
// Use a comparator function to figure out at what index an object should
// be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator) {
iterator || (iterator = _.identity);
var low = 0, high = array.length;
while (low < high) {
var mid = (low + high) >> 1;
iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
}
return low;
};
// Safely convert anything iterable into a real, live array.
_.toArray = function(obj) {
if (!obj) return [];
if (_.isArray(obj)) return slice.call(obj);
if (_.isArguments(obj)) return slice.call(obj);
if (obj.toArray && _.isFunction(obj.toArray)) return obj.toArray();
return _.values(obj);
};
// Return the number of elements in an object.
_.size = function(obj) {
return _.isArray(obj) ? obj.length : _.keys(obj).length;
};
// Array Functions
// ---------------
// Get the first element of an array. Passing **n** will return the first N
// values in the array. Aliased as `head` and `take`. The **guard** check
// allows it to work with `_.map`.
_.first = _.head = _.take = function(array, n, guard) {
return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
};
// Returns everything but the last entry of the array. Especcialy useful on
// the arguments object. Passing **n** will return all the values in
// the array, excluding the last N. The **guard** check allows it to work with
// `_.map`.
_.initial = function(array, n, guard) {
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
};
// Get the last element of an array. Passing **n** will return the last N
// values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) {
if ((n != null) && !guard) {
return slice.call(array, Math.max(array.length - n, 0));
} else {
return array[array.length - 1];
}
};
// Returns everything but the first entry of the array. Aliased as `tail`.
// Especially useful on the arguments object. Passing an **index** will return
// the rest of the values in the array from that index onward. The **guard**
// check allows it to work with `_.map`.
_.rest = _.tail = function(array, index, guard) {
return slice.call(array, (index == null) || guard ? 1 : index);
};
// Trim out all falsy values from an array.
_.compact = function(array) {
return _.filter(array, function(value){ return !!value; });
};
// Return a completely flattened version of an array.
_.flatten = function(array, shallow) {
return _.reduce(array, function(memo, value) {
if (_.isArray(value)) return memo.concat(shallow ? value : _.flatten(value));
memo[memo.length] = value;
return memo;
}, []);
};
// Return a version of the array that does not contain the specified value(s).
_.without = function(array) {
return _.difference(array, slice.call(arguments, 1));
};
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`.
_.uniq = _.unique = function(array, isSorted, iterator) {
var initial = iterator ? _.map(array, iterator) : array;
var results = [];
// The `isSorted` flag is irrelevant if the array only contains two elements.
if (array.length < 3) isSorted = true;
_.reduce(initial, function (memo, value, index) {
if (isSorted ? _.last(memo) !== value || !memo.length : !_.include(memo, value)) {
memo.push(value);
results.push(array[index]);
}
return memo;
}, []);
return results;
};
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = function() {
return _.uniq(_.flatten(arguments, true));
};
// Produce an array that contains every item shared between all the
// passed-in arrays. (Aliased as "intersect" for back-compat.)
_.intersection = _.intersect = function(array) {
var rest = slice.call(arguments, 1);
return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) {
return _.indexOf(other, item) >= 0;
});
});
};
// Take the difference between one array and a number of other arrays.
// Only the elements present in just the first array will remain.
_.difference = function(array) {
var rest = _.flatten(slice.call(arguments, 1), true);
return _.filter(array, function(value){ return !_.include(rest, value); });
};
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
var args = slice.call(arguments);
var length = _.max(_.pluck(args, 'length'));
var results = new Array(length);
for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
return results;
};
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
// we need this function. Return the position of the first occurrence of an
// item in an array, or -1 if the item is not included in the array.
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
// If the array is large and already in sort order, pass `true`
// for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) {
if (array == null) return -1;
var i, l;
if (isSorted) {
i = _.sortedIndex(array, item);
return array[i] === item ? i : -1;
}
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
for (i = 0, l = array.length; i < l; i++) if (i in array && array[i] === item) return i;
return -1;
};
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
_.lastIndexOf = function(array, item) {
if (array == null) return -1;
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
var i = array.length;
while (i--) if (i in array && array[i] === item) return i;
return -1;
};
// Generate an integer Array containing an arithmetic progression. A port of
// the native Python `range()` function. See
// [the Python documentation](http://docs.python.org/library/functions.html#range).
_.range = function(start, stop, step) {
if (arguments.length <= 1) {
stop = start || 0;
start = 0;
}
step = arguments[2] || 1;
var len = Math.max(Math.ceil((stop - start) / step), 0);
var idx = 0;
var range = new Array(len);
while(idx < len) {
range[idx++] = start;
start += step;
}
return range;
};
// Function (ahem) Functions
// ------------------
// Reusable constructor function for prototype setting.
var ctor = function(){};
// Create a function bound to a given object (assigning `this`, and arguments,
// optionally). Binding with arguments is also known as `curry`.
// Delegates to **ECMAScript 5**'s native `Function.bind` if available.
// We check for `func.bind` first, to fail fast when `func` is undefined.
_.bind = function bind(func, context) {
var bound, args;
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
if (!_.isFunction(func)) throw new TypeError;
args = slice.call(arguments, 2);
return bound = function() {
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
ctor.prototype = func.prototype;
var self = new ctor;
var result = func.apply(self, args.concat(slice.call(arguments)));
if (Object(result) === result) return result;
return self;
};
};
// Bind all of an object's methods to that object. Useful for ensuring that
// all callbacks defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = slice.call(arguments, 1);
if (funcs.length == 0) funcs = _.functions(obj);
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
// Memoize an expensive function by storing its results.
_.memoize = function(func, hasher) {
var memo = {};
hasher || (hasher = _.identity);
return function() {
var key = hasher.apply(this, arguments);
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
};
};
// Delays a function for the given number of milliseconds, and then calls
// it with the arguments supplied.
_.delay = function(func, wait) {
var args = slice.call(arguments, 2);
return setTimeout(function(){ return func.apply(null, args); }, wait);
};
// Defers a function, scheduling it to run after the current call stack has
// cleared.
_.defer = function(func) {
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
};
// Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time.
_.throttle = function(func, wait) {
var context, args, timeout, throttling, more, result;
var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
return function() {
context = this; args = arguments;
var later = function() {
timeout = null;
if (more) func.apply(context, args);
whenDone();
};
if (!timeout) timeout = setTimeout(later, wait);
if (throttling) {
more = true;
} else {
result = func.apply(context, args);
}
whenDone();
throttling = true;
return result;
};
};
// Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
if (immediate && !timeout) func.apply(context, args);
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
};
// Returns a function that will be executed at most one time, no matter how
// often you call it. Useful for lazy initialization.
_.once = function(func) {
var ran = false, memo;
return function() {
if (ran) return memo;
ran = true;
return memo = func.apply(this, arguments);
};
};
// Returns the first function passed as an argument to the second,
// allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function.
_.wrap = function(func, wrapper) {
return function() {
var args = [func].concat(slice.call(arguments, 0));
return wrapper.apply(this, args);
};
};
// Returns a function that is the composition of a list of functions, each
// consuming the return value of the function that follows.
_.compose = function() {
var funcs = arguments;
return function() {
var args = arguments;
for (var i = funcs.length - 1; i >= 0; i--) {
args = [funcs[i].apply(this, args)];
}
return args[0];
};
};
// Returns a function that will only be executed after being called N times.
_.after = function(times, func) {
if (times <= 0) return func();
return function() {
if (--times < 1) { return func.apply(this, arguments); }
};
};
// Object Functions
// ----------------
// Retrieve the names of an object's properties.
// Delegates to **ECMAScript 5**'s native `Object.keys`
_.keys = nativeKeys || function(obj) {
if (obj !== Object(obj)) throw new TypeError('Invalid object');
var keys = [];
for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
return keys;
};
// Retrieve the values of an object's properties.
_.values = function(obj) {
return _.map(obj, _.identity);
};
// Return a sorted list of the function names available on the object.
// Aliased as `methods`
_.functions = _.methods = function(obj) {
var names = [];
for (var key in obj) {
if (_.isFunction(obj[key])) names.push(key);
}
return names.sort();
};
// Extend a given object with all the properties in passed-in object(s).
_.extend = function(obj) {
each(slice.call(arguments, 1), function(source) {
for (var prop in source) {
obj[prop] = source[prop];
}
});
return obj;
};
// Return a copy of the object only containing the whitelisted properties.
_.pick = function(obj) {
var result = {};
each(_.flatten(slice.call(arguments, 1)), function(key) {
if (key in obj) result[key] = obj[key];
});
return result;
};
// Fill in a given object with default properties.
_.defaults = function(obj) {
each(slice.call(arguments, 1), function(source) {
for (var prop in source) {
if (obj[prop] == null) obj[prop] = source[prop];
}
});
return obj;
};
// Create a (shallow-cloned) duplicate of an object.
_.clone = function(obj) {
if (!_.isObject(obj)) return obj;
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
};
// Invokes interceptor with the obj, and then returns obj.
// The primary purpose of this method is to "tap into" a method chain, in
// order to perform operations on intermediate results within the chain.
_.tap = function(obj, interceptor) {
interceptor(obj);
return obj;
};
// Internal recursive comparison function.
function eq(a, b, stack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
// Unwrap any wrapped objects.
if (a._chain) a = a._wrapped;
if (b._chain) b = b._wrapped;
// Invoke a custom `isEqual` method if one is provided.
if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
switch (className) {
// Strings, numbers, dates, and booleans are compared by value.
case '[object String]':
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
// equivalent to `new String("5")`.
return a == String(b);
case '[object Number]':
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
// other numeric values.
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
case '[object Date]':
case '[object Boolean]':
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are not equivalent.
return +a == +b;
// RegExps are compared by their source patterns and flags.
case '[object RegExp]':
return a.source == b.source &&
a.global == b.global &&
a.multiline == b.multiline &&
a.ignoreCase == b.ignoreCase;
}
if (typeof a != 'object' || typeof b != 'object') return false;
// Assume equality for cyclic structures. The algorithm for detecting cyclic
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
var length = stack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
if (stack[length] == a) return true;
}
// Add the first object to the stack of traversed objects.
stack.push(a);
var size = 0, result = true;
// Recursively compare objects and arrays.
if (className == '[object Array]') {
// Compare array lengths to determine if a deep comparison is necessary.
size = a.length;
result = size == b.length;
if (result) {
// Deep compare the contents, ignoring non-numeric properties.
while (size--) {
// Ensure commutative equality for sparse arrays.
if (!(result = size in a == size in b && eq(a[size], b[size], stack))) break;
}
}
} else {
// Objects with different constructors are not equivalent.
if ('constructor' in a != 'constructor' in b || a.constructor != b.constructor) return false;
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {
// Count the expected number of properties.
size++;
// Deep compare each member.
if (!(result = _.has(b, key) && eq(a[key], b[key], stack))) break;
}
}
// Ensure that both objects contain the same number of properties.
if (result) {
for (key in b) {
if (_.has(b, key) && !(size--)) break;
}
result = !size;
}
}
// Remove the first object from the stack of traversed objects.
stack.pop();
return result;
}
// Perform a deep comparison to check if two objects are equal.
_.isEqual = function(a, b) {
return eq(a, b, []);
};
// Is a given array, string, or object empty?
// An "empty" object has no enumerable own-properties.
_.isEmpty = function(obj) {
if (obj == null) return true;
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
for (var key in obj) if (_.has(obj, key)) return false;
return true;
};
// Is a given value a DOM element?
_.isElement = function(obj) {
return !!(obj && obj.nodeType == 1);
};
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = nativeIsArray || function(obj) {
return toString.call(obj) == '[object Array]';
};
// Is a given variable an object?
_.isObject = function(obj) {
return obj === Object(obj);
};
// Is a given variable an arguments object?
_.isArguments = function(obj) {
return toString.call(obj) == '[object Arguments]';
};
if (!_.isArguments(arguments)) {
_.isArguments = function(obj) {
return !!(obj && _.has(obj, 'callee'));
};
}
// Is a given value a function?
_.isFunction = function(obj) {
return toString.call(obj) == '[object Function]';
};
// Is a given value a string?
_.isString = function(obj) {
return toString.call(obj) == '[object String]';
};
// Is a given value a number?
_.isNumber = function(obj) {
return toString.call(obj) == '[object Number]';
};
// Is a given object a finite number?
_.isFinite = function(obj) {
return _.isNumber(obj) && isFinite(obj);
};
// Is the given value `NaN`?
_.isNaN = function(obj) {
// `NaN` is the only value for which `===` is not reflexive.
return obj !== obj;
};
// Is a given value a boolean?
_.isBoolean = function(obj) {
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
};
// Is a given value a date?
_.isDate = function(obj) {
return toString.call(obj) == '[object Date]';
};
// Is the given value a regular expression?
_.isRegExp = function(obj) {
return toString.call(obj) == '[object RegExp]';
};
// Is a given value equal to null?
_.isNull = function(obj) {
return obj === null;
};
// Is a given variable undefined?
_.isUndefined = function(obj) {
return obj === void 0;
};
// Has own property?
_.has = function(obj, key) {
return hasOwnProperty.call(obj, key);
};
// Utility Functions
// -----------------
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
// previous owner. Returns a reference to the Underscore object.
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
// Keep the identity function around for default iterators.
_.identity = function(value) {
return value;
};
// Run a function **n** times.
_.times = function (n, iterator, context) {
for (var i = 0; i < n; i++) iterator.call(context, i);
};
// Escape a string for HTML interpolation.
_.escape = function(string) {
return (''+string).replace(/&/g, '&').replace(//g, '>').replace(/"/g, '"').replace(/'/g, ''').replace(/\//g,'/');
};
// If the value of the named property is a function then invoke it;
// otherwise, return it.
_.result = function(object, property) {
if (object == null) return null;
var value = object[property];
return _.isFunction(value) ? value.call(object) : value;
};
// Add your own custom functions to the Underscore object, ensuring that
// they're correctly added to the OOP wrapper as well.
_.mixin = function(obj) {
each(_.functions(obj), function(name){
addToWrapper(name, _[name] = obj[name]);
});
};
// Generate a unique integer id (unique within the entire client session).
// Useful for temporary DOM ids.
var idCounter = 0;
_.uniqueId = function(prefix) {
var id = idCounter++;
return prefix ? prefix + id : id;
};
// By default, Underscore uses ERB-style template delimiters, change the
// following template settings to use alternative delimiters.
_.templateSettings = {
evaluate : /<%([\s\S]+?)%>/g,
interpolate : /<%=([\s\S]+?)%>/g,
escape : /<%-([\s\S]+?)%>/g
};
// When customizing `templateSettings`, if you don't want to define an
// interpolation, evaluation or escaping regex, we need one that is
// guaranteed not to match.
var noMatch = /.^/;
// Certain characters need to be escaped so that they can be put into a
// string literal.
var escapes = {
'\\': '\\',
"'": "'",
'r': '\r',
'n': '\n',
't': '\t',
'u2028': '\u2028',
'u2029': '\u2029'
};
for (var p in escapes) escapes[escapes[p]] = p;
var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
var unescaper = /\\(\\|'|r|n|t|u2028|u2029)/g;
// Within an interpolation, evaluation, or escaping, remove HTML escaping
// that had been previously added.
var unescape = function(code) {
return code.replace(unescaper, function(match, escape) {
return escapes[escape];
});
};
// JavaScript micro-templating, similar to John Resig's implementation.
// Underscore templating handles arbitrary delimiters, preserves whitespace,
// and correctly escapes quotes within interpolated code.
_.template = function(text, data, settings) {
settings = _.defaults(settings || {}, _.templateSettings);
// Compile the template source, taking care to escape characters that
// cannot be included in a string literal and then unescape them in code
// blocks.
var source = "__p+='" + text
.replace(escaper, function(match) {
return '\\' + escapes[match];
})
.replace(settings.escape || noMatch, function(match, code) {
return "'+\n_.escape(" + unescape(code) + ")+\n'";
})
.replace(settings.interpolate || noMatch, function(match, code) {
return "'+\n(" + unescape(code) + ")+\n'";
})
.replace(settings.evaluate || noMatch, function(match, code) {
return "';\n" + unescape(code) + "\n;__p+='";
}) + "';\n";
// If a variable is not specified, place data values in local scope.
if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
source = "var __p='';" +
"var print=function(){__p+=Array.prototype.join.call(arguments, '')};\n" +
source + "return __p;\n";
var render = new Function(settings.variable || 'obj', '_', source);
if (data) return render(data, _);
var template = function(data) {
return render.call(this, data, _);
};
// Provide the compiled function source as a convenience for build time
// precompilation.
template.source = 'function(' + (settings.variable || 'obj') + '){\n' +
source + '}';
return template;
};
// Add a "chain" function, which will delegate to the wrapper.
_.chain = function(obj) {
return _(obj).chain();
};
// The OOP Wrapper
// ---------------
// If Underscore is called as a function, it returns a wrapped object that
// can be used OO-style. This wrapper holds altered versions of all the
// underscore functions. Wrapped objects may be chained.
var wrapper = function(obj) { this._wrapped = obj; };
// Expose `wrapper.prototype` as `_.prototype`
_.prototype = wrapper.prototype;
// Helper function to continue chaining intermediate results.
var result = function(obj, chain) {
return chain ? _(obj).chain() : obj;
};
// A method to easily add functions to the OOP wrapper.
var addToWrapper = function(name, func) {
wrapper.prototype[name] = function() {
var args = slice.call(arguments);
unshift.call(args, this._wrapped);
return result(func.apply(_, args), this._chain);
};
};
// Add all of the Underscore functions to the wrapper object.
_.mixin(_);
// Add all mutator Array functions to the wrapper.
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
var wrapped = this._wrapped;
method.apply(wrapped, arguments);
var length = wrapped.length;
if ((name == 'shift' || name == 'splice') && length === 0) delete wrapped[0];
return result(wrapped, this._chain);
};
});
// Add all accessor Array functions to the wrapper.
each(['concat', 'join', 'slice'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
return result(method.apply(this._wrapped, arguments), this._chain);
};
});
// Start chaining a wrapped Underscore object.
wrapper.prototype.chain = function() {
this._chain = true;
return this;
};
// Extracts the result from a wrapped and chained object.
wrapper.prototype.value = function() {
return this._wrapped;
};
}).call(this);
;;
/*! jQuery UI - v1.10.3 - 2013-07-29
* http://jqueryui.com
* Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.position.js, jquery.ui.draggable.js, jquery.ui.droppable.js, jquery.ui.resizable.js, jquery.ui.selectable.js, jquery.ui.sortable.js, jquery.ui.accordion.js, jquery.ui.autocomplete.js, jquery.ui.button.js, jquery.ui.datepicker.js, jquery.ui.dialog.js, jquery.ui.menu.js, jquery.ui.progressbar.js, jquery.ui.slider.js, jquery.ui.spinner.js, jquery.ui.tabs.js, jquery.ui.tooltip.js, jquery.ui.effect.js, jquery.ui.effect-blind.js, jquery.ui.effect-bounce.js, jquery.ui.effect-clip.js, jquery.ui.effect-drop.js, jquery.ui.effect-explode.js, jquery.ui.effect-fade.js, jquery.ui.effect-fold.js, jquery.ui.effect-highlight.js, jquery.ui.effect-pulsate.js, jquery.ui.effect-scale.js, jquery.ui.effect-shake.js, jquery.ui.effect-slide.js, jquery.ui.effect-transfer.js
* Copyright 2013 jQuery Foundation and other contributors Licensed MIT */
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