383 var opacityDOMCache = new Object();

   384 function domOpacity(obj, opacStart, opacEnd, millisec) {

   385     //speed for each frame

   386     var speed = Math.round(millisec / 100);

   387     var timer = 0;

   388     

   389     // unique ID for this animation

   390     var uniqid = Math.floor(Math.random() * 1000000);

   391     opacityDOMCache[uniqid] = obj;

   392 

   393     //determine the direction for the blending, if start and end are the same nothing happens

   394     if(opacStart > opacEnd) {

   395         for(i = opacStart; i >= opacEnd; i--) {

   396             setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));

   397             timer++;

   398         }

   399     } else if(opacStart < opacEnd) {

   400         for(i = opacStart; i <= opacEnd; i++)

   401             {

   402             setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));

   403             timer++;

   404         }

   405     }

   406     setTimeout("delete(opacityDOMCache["+uniqid+"]);",(timer * speed));

   407 }

   408