//首页更换图片脚本  
   var bannerAD=new Array();
   var bannerADlink=new Array();
   var adNum=0;

   bannerAD[0]="LT_new/index/A/1/images/ad1.jpg";
   bannerADlink[0]="#";
   
   bannerAD[1]="LT_new/index/A/1/images/ad2.jpg";
   bannerADlink[1]="#";
   
   bannerAD[2]="LT_new/index/A/1/images/ad3.jpg";
   bannerADlink[2]="#";
   
   bannerAD[3]="LT_new/index/A/1/images/ad4.jpg";
   bannerADlink[3]="#";
   
   /*bannerAD[4]="images/img_chg5.jpg";
   bannerADlink[4]="#";
   
   bannerAD[5]="images/img_chg6.jpg";
   bannerADlink[5]="#";
   
   bannerAD[6]="images/img_chg7.jpg";
   bannerADlink[6]="#";*/
 
   var preloadedimages=new Array();
   for (i=1;i<bannerAD.length;i++){
      preloadedimages[i]=new Image();
      preloadedimages[i].src=bannerAD[i];
   }

function setTransition(){
   if (document.all){
      //bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
	  bannerADrotator.filters.revealTrans.Transition=Math.floor(12);
      bannerADrotator.filters.revealTrans.apply();
   }
}

function playTransition(){
   if (document.all)
      bannerADrotator.filters.revealTrans.play()
}

function nextAd(){
   if(adNum<bannerAD.length-1)adNum++ ;
      else adNum=0;
   setTransition();
   document.images.bannerADrotator.src=bannerAD[adNum];
   playTransition();
   theTimer=setTimeout("nextAd()", 6000);
}

function jump2url(){
   jumpUrl=bannerADlink[adNum];
   jumpTarget='_blank';
   if (jumpUrl != ''){
      if (jumpTarget != '')window.open(jumpUrl,jumpTarget);
      else location.href=jumpUrl;
   }
}
function displayStatusMsg() {
   status=bannerADlink[adNum];
   document.returnValue = true;
}