javascript中的sleep 实现方法

<SCRIPT LANGUAGE="JavaScript">function Sleep(obj,iMinSecond){   if (window.eventList==null)   window.eventList=new Array();   var ind=-1;   for (var i=0;i<window.eventList.length;i++)   {      if (window.eventList[i]==null)    {     window.eventList[i]=obj;        ind=i;       break;      }   }   if (ind==-1)   {      ind=window.eventList.length;      window.eventList[ind]=obj;   }   setTimeout("GoOn(" + ind + ")",iMinSecond);}function GoOn(ind){   var obj=window.eventList[ind];   window.eventList[ind]=null;   if (obj.NextStep) obj.NextStep();   else obj();}function Test(){   alert("sleep");   Sleep(this,10000);   this.NextStep=function()   {   alert("continue");   }}Test();</SCRIPT>