rem: this.transferCount++; document.styleSheets[1].cssRules[0].style.backgroundPosition=this.transferCount+"px 100%"; 
add: var percentage = parseInt((aCurTotalProgress * 100) / aMaxTotalProgress); document.styleSheets[1].cssRules[0].style.backgroundPosition=percentage+"px 100%"; 
context:   onProgressChange : function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)  {    this.transferCount++;    document.styleSheets[1].cssRules[0].style.backgroundPosition=this.transferCount+"px 100%";    //alert("aWebProgress="+aWebProgress+"aRequest.name: "+aRequest.name+"aCurSelfProgress:"+aCurSelfProgress);  },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/c6acac68a874eff28c441acc9475f0ea107c6852/minimo.js/buggy/embedding/minimo/chrome/content/minimo.js