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This commit is contained in:
Jonathan Ouellette
340
Fab2ApprovalSystem/Scripts/respond.js
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340
Fab2ApprovalSystem/Scripts/respond.js
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/* NUGET: BEGIN LICENSE TEXT
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*
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* Microsoft grants you the right to use these script files for the sole
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* purpose of either: (i) interacting through your browser with the Microsoft
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* website or online service, subject to the applicable licensing or use
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* terms; or (ii) using the files as included with a Microsoft product subject
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* to that product's license terms. Microsoft reserves all other rights to the
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* files not expressly granted by Microsoft, whether by implication, estoppel
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* or otherwise. Insofar as a script file is dual licensed under GPL,
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* Microsoft neither took the code under GPL nor distributes it thereunder but
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* under the terms set out in this paragraph. All notices and licenses
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* below are for informational purposes only.
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*
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* NUGET: END LICENSE TEXT */
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/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
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/*! NOTE: If you're already including a window.matchMedia polyfill via Modernizr or otherwise, you don't need this part */
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window.matchMedia = window.matchMedia || (function(doc, undefined){
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var bool,
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docElem = doc.documentElement,
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refNode = docElem.firstElementChild || docElem.firstChild,
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// fakeBody required for <FF4 when executed in <head>
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fakeBody = doc.createElement('body'),
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div = doc.createElement('div');
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div.id = 'mq-test-1';
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div.style.cssText = "position:absolute;top:-100em";
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fakeBody.style.background = "none";
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fakeBody.appendChild(div);
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return function(q){
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div.innerHTML = '­<style media="'+q+'"> #mq-test-1 { width: 42px; }</style>';
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docElem.insertBefore(fakeBody, refNode);
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bool = div.offsetWidth == 42;
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docElem.removeChild(fakeBody);
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return { matches: bool, media: q };
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};
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})(document);
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/*! Respond.js v1.2.0: min/max-width media query polyfill. (c) Scott Jehl. MIT/GPLv2 Lic. j.mp/respondjs */
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(function( win ){
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//exposed namespace
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win.respond = {};
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//define update even in native-mq-supporting browsers, to avoid errors
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respond.update = function(){};
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//expose media query support flag for external use
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respond.mediaQueriesSupported = win.matchMedia && win.matchMedia( "only all" ).matches;
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//if media queries are supported, exit here
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if( respond.mediaQueriesSupported ){ return; }
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//define vars
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var doc = win.document,
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docElem = doc.documentElement,
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mediastyles = [],
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rules = [],
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appendedEls = [],
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parsedSheets = {},
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resizeThrottle = 30,
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head = doc.getElementsByTagName( "head" )[0] || docElem,
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base = doc.getElementsByTagName( "base" )[0],
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links = head.getElementsByTagName( "link" ),
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requestQueue = [],
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//loop stylesheets, send text content to translate
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ripCSS = function(){
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var sheets = links,
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sl = sheets.length,
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i = 0,
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//vars for loop:
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sheet, href, media, isCSS;
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for( ; i < sl; i++ ){
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sheet = sheets[ i ],
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href = sheet.href,
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media = sheet.media,
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isCSS = sheet.rel && sheet.rel.toLowerCase() === "stylesheet";
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//only links plz and prevent re-parsing
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if( !!href && isCSS && !parsedSheets[ href ] ){
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// selectivizr exposes css through the rawCssText expando
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if (sheet.styleSheet && sheet.styleSheet.rawCssText) {
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translate( sheet.styleSheet.rawCssText, href, media );
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parsedSheets[ href ] = true;
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} else {
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if( (!/^([a-zA-Z:]*\/\/)/.test( href ) && !base)
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|| href.replace( RegExp.$1, "" ).split( "/" )[0] === win.location.host ){
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requestQueue.push( {
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href: href,
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media: media
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} );
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}
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}
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}
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}
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makeRequests();
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},
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//recurse through request queue, get css text
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makeRequests = function(){
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if( requestQueue.length ){
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var thisRequest = requestQueue.shift();
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ajax( thisRequest.href, function( styles ){
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translate( styles, thisRequest.href, thisRequest.media );
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parsedSheets[ thisRequest.href ] = true;
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makeRequests();
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} );
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}
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},
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//find media blocks in css text, convert to style blocks
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translate = function( styles, href, media ){
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var qs = styles.match( /@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi ),
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ql = qs && qs.length || 0,
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//try to get CSS path
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href = href.substring( 0, href.lastIndexOf( "/" )),
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repUrls = function( css ){
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return css.replace( /(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g, "$1" + href + "$2$3" );
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},
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useMedia = !ql && media,
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//vars used in loop
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i = 0,
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j, fullq, thisq, eachq, eql;
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//if path exists, tack on trailing slash
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if( href.length ){ href += "/"; }
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//if no internal queries exist, but media attr does, use that
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//note: this currently lacks support for situations where a media attr is specified on a link AND
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//its associated stylesheet has internal CSS media queries.
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//In those cases, the media attribute will currently be ignored.
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if( useMedia ){
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ql = 1;
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}
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for( ; i < ql; i++ ){
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j = 0;
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//media attr
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if( useMedia ){
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fullq = media;
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rules.push( repUrls( styles ) );
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}
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//parse for styles
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else{
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fullq = qs[ i ].match( /@media *([^\{]+)\{([\S\s]+?)$/ ) && RegExp.$1;
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rules.push( RegExp.$2 && repUrls( RegExp.$2 ) );
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}
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eachq = fullq.split( "," );
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eql = eachq.length;
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for( ; j < eql; j++ ){
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thisq = eachq[ j ];
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mediastyles.push( {
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media : thisq.split( "(" )[ 0 ].match( /(only\s+)?([a-zA-Z]+)\s?/ ) && RegExp.$2 || "all",
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rules : rules.length - 1,
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hasquery: thisq.indexOf("(") > -1,
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minw : thisq.match( /\(min\-width:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/ ) && parseFloat( RegExp.$1 ) + ( RegExp.$2 || "" ),
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maxw : thisq.match( /\(max\-width:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/ ) && parseFloat( RegExp.$1 ) + ( RegExp.$2 || "" )
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} );
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}
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}
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applyMedia();
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},
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lastCall,
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resizeDefer,
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// returns the value of 1em in pixels
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getEmValue = function() {
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var ret,
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div = doc.createElement('div'),
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body = doc.body,
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fakeUsed = false;
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div.style.cssText = "position:absolute;font-size:1em;width:1em";
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if( !body ){
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body = fakeUsed = doc.createElement( "body" );
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body.style.background = "none";
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}
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body.appendChild( div );
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docElem.insertBefore( body, docElem.firstChild );
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ret = div.offsetWidth;
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if( fakeUsed ){
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docElem.removeChild( body );
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}
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else {
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body.removeChild( div );
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}
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//also update eminpx before returning
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ret = eminpx = parseFloat(ret);
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return ret;
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},
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//cached container for 1em value, populated the first time it's needed
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eminpx,
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//enable/disable styles
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applyMedia = function( fromResize ){
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var name = "clientWidth",
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docElemProp = docElem[ name ],
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currWidth = doc.compatMode === "CSS1Compat" && docElemProp || doc.body[ name ] || docElemProp,
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styleBlocks = {},
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lastLink = links[ links.length-1 ],
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now = (new Date()).getTime();
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//throttle resize calls
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if( fromResize && lastCall && now - lastCall < resizeThrottle ){
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clearTimeout( resizeDefer );
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resizeDefer = setTimeout( applyMedia, resizeThrottle );
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return;
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}
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else {
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lastCall = now;
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}
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for( var i in mediastyles ){
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var thisstyle = mediastyles[ i ],
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min = thisstyle.minw,
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max = thisstyle.maxw,
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minnull = min === null,
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maxnull = max === null,
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em = "em";
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if( !!min ){
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min = parseFloat( min ) * ( min.indexOf( em ) > -1 ? ( eminpx || getEmValue() ) : 1 );
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}
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if( !!max ){
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max = parseFloat( max ) * ( max.indexOf( em ) > -1 ? ( eminpx || getEmValue() ) : 1 );
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}
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// if there's no media query at all (the () part), or min or max is not null, and if either is present, they're true
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if( !thisstyle.hasquery || ( !minnull || !maxnull ) && ( minnull || currWidth >= min ) && ( maxnull || currWidth <= max ) ){
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if( !styleBlocks[ thisstyle.media ] ){
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styleBlocks[ thisstyle.media ] = [];
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}
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styleBlocks[ thisstyle.media ].push( rules[ thisstyle.rules ] );
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}
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}
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//remove any existing respond style element(s)
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for( var i in appendedEls ){
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if( appendedEls[ i ] && appendedEls[ i ].parentNode === head ){
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head.removeChild( appendedEls[ i ] );
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}
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}
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//inject active styles, grouped by media type
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for( var i in styleBlocks ){
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var ss = doc.createElement( "style" ),
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css = styleBlocks[ i ].join( "\n" );
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ss.type = "text/css";
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ss.media = i;
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//originally, ss was appended to a documentFragment and sheets were appended in bulk.
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//this caused crashes in IE in a number of circumstances, such as when the HTML element had a bg image set, so appending beforehand seems best. Thanks to @dvelyk for the initial research on this one!
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head.insertBefore( ss, lastLink.nextSibling );
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if ( ss.styleSheet ){
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ss.styleSheet.cssText = css;
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}
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else {
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ss.appendChild( doc.createTextNode( css ) );
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}
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//push to appendedEls to track for later removal
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appendedEls.push( ss );
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}
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},
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//tweaked Ajax functions from Quirksmode
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ajax = function( url, callback ) {
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var req = xmlHttp();
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if (!req){
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return;
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}
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req.open( "GET", url, true );
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req.onreadystatechange = function () {
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if ( req.readyState != 4 || req.status != 200 && req.status != 304 ){
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return;
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}
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callback( req.responseText );
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}
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if ( req.readyState == 4 ){
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return;
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}
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req.send( null );
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},
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//define ajax obj
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xmlHttp = (function() {
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var xmlhttpmethod = false;
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try {
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xmlhttpmethod = new XMLHttpRequest();
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}
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catch( e ){
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xmlhttpmethod = new ActiveXObject( "Microsoft.XMLHTTP" );
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}
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return function(){
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return xmlhttpmethod;
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};
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})();
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//translate CSS
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ripCSS();
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//expose update for re-running respond later on
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respond.update = ripCSS;
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//adjust on resize
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function callMedia(){
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applyMedia( true );
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}
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if( win.addEventListener ){
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win.addEventListener( "resize", callMedia, false );
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}
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else if( win.attachEvent ){
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win.attachEvent( "onresize", callMedia );
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}
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})(this);
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