Alien-Web-ExtJS-V3
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  <pre class="prettyprint lang-js"><span id='Ext-util-CSS'>/**
</span> * @class Ext.util.CSS
 * Utility class for manipulating CSS rules
 * @singleton
 */
Ext.util.CSS = function(){
	var rules = null;
   	var doc = document;

    var camelRe = /(-[a-z])/gi;
    var camelFn = function(m, a){ return a.charAt(1).toUpperCase(); };

   return {
<span id='Ext-util-CSS-method-createStyleSheet'>   /**
</span>    * Creates a stylesheet from a text blob of rules.
    * These rules will be wrapped in a STYLE tag and appended to the HEAD of the document.
    * @param {String} cssText The text containing the css rules
    * @param {String} id An id to add to the stylesheet for later removal
    * @return {StyleSheet}
    */
   createStyleSheet : function(cssText, id){
       var ss;
       var head = doc.getElementsByTagName(&quot;head&quot;)[0];
       var rules = doc.createElement(&quot;style&quot;);
       rules.setAttribute(&quot;type&quot;, &quot;text/css&quot;);
       if(id){
           rules.setAttribute(&quot;id&quot;, id);
       }
       if(Ext.isIE){
           head.appendChild(rules);
           ss = rules.styleSheet;
           ss.cssText = cssText;
       }else{
           try{
                rules.appendChild(doc.createTextNode(cssText));
           }catch(e){
               rules.cssText = cssText;
           }
           head.appendChild(rules);
           ss = rules.styleSheet ? rules.styleSheet : (rules.sheet || doc.styleSheets[doc.styleSheets.length-1]);
       }
       this.cacheStyleSheet(ss);
       return ss;
   },

<span id='Ext-util-CSS-method-removeStyleSheet'>   /**
</span>    * Removes a style or link tag by id



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