add: chan.loadFlags |= nsIRequest.LOAD_BYPASS_CACHE; 
context: function loadURLNow (url){    var chan = _getChannelForURL (url);    var instream =         Components.classes[SIS_CTRID].createInstance(nsIScriptableInputStream);    instream.init (chan.open());    return instream.read (instream.available());}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f7f04032cd5ab64725c45d075b3eb51248448a9b/venkman-url-loader.js/buggy/extensions/venkman/resources/content/venkman-url-loader.js