var downimgUrl=new Array();
var downimgLink=new Array();
var downadNum=0; 
downimgUrl[1]="./image/logo/hc_logo.gif"; 
downimgLink[1]="http://www.hikvision.com";
downimgUrl[2]="./image/logo/hp_logo.gif"; 
downimgLink[2]="http://www.hp.com.cn";
     var downimgPre=new Array();
   for (i=1;i<2;i++){
downimgPre[i]=new Image();
      downimgPre[i].src=downimgUrl[i];
   }
function downsetTransition(){
   if (document.all){
      document.downimgUrlrotator.filters.revealTrans.Transition=Math.floor(Math.random()*20);
      document.downimgUrlrotator.filters.revealTrans.apply();
   }
}
function downplayTransition(){
   if (document.all)
      document.downimgUrlrotator.filters.revealTrans.play()
}
function downnextAd(){
   if(downadNum<downimgUrl.length-1)downadNum++ ;
      else downadNum=1;
   downsetTransition();
   document.images.downimgUrlrotator.src=downimgUrl[downadNum];
   downplayTransition();
   theTimer=setTimeout("downnextAd()", 6000);
}
function downjump2url(){
   downjumpUrl=downimgLink[downadNum];
   downjumpTarget='_blank';
   if (downjumpUrl != ''){
      if (downjumpTarget != '')window.open(downjumpUrl,downjumpTarget);
      else location.href=downjumpUrl;
   }
}
function downdisplayStatusMsg() { 
   status=downimgLink[downadNum];
   document.returnValue = true;
}

function downwinmax()
{
	self.moveTo(0,0);  
	self.resizeTo(screen.availWidth,screen.availHeight);
}