flash预加载进度条（preload）——篇外篇

function checkXMLProgess(xmlObj:XML):Void {
   var nLoaded:Number = xmlObj.getBytesLoaded();
   var nTotal:Number = xmlObj.getBytesTotal();
   var nPercentage:Number = 0;
   if(nTotal > 0)
   {
     nPercentage = nLoaded/nTotal * 100;
   }
   tProgress.text = nPercentage + “% has loaded”;//一个动态文本 tProgress
   if(nPercentage == 100)
   {
     clearInterval(nProgInterval);
   }
}
var nProgInterval:Number = setInterval(checkXMLProgress, 100, xmlVal);//onEnterFrame应该也成，但没试过