// JScript 文件


var preloadedimages=new Array();
for (i=0;i<bannerAD.length;i++)
{
	preloadedimages[i]=new Image();
	preloadedimages[i].src=bannerAD[i];
}
function setTransition()
{
	if (document.all)
	{
		//document.images.bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
		document.images.bannerADrotator.filters.revealTrans.Transition=12;
		document.images.bannerADrotator.filters.revealTrans.apply();
	}
}
function playTransition()
{
	if (document.all)
	{
		document.images.bannerADrotator.filters.revealTrans.play();
	}
}
function scrollStart()
{
	theTimer=setTimeout("nextAd()", 8000);
	document.getElementById("a_0").style.background="#c00";
}
function nextAd()
{
	if(adNum<bannerAD.length-1)
	{
		adNum++ ;
	}
	else
	{
		adNum=0;
	}
	setTransition();
	document.images.bannerADrotator.src=preloadedimages[adNum].src;
	playTransition();
	changeImageInfo(adNum);
	theTimer=setTimeout("nextAd()", 8000);
}
function jump2url()
{
	jumpUrl=bannerADlink[adNum];
	jumpTarget=bannerADtarget[adNum];
	if (jumpUrl != '')
	{
		if (jumpTarget != '')
		{
			window.open(jumpUrl,jumpTarget);
		}
		else
		{
			window.open(jumpUrl,"","toolbar=yes,location=yes,directories=yes,status=yes,scrollbars=yes,resizable=yes");
		}
	}
}
function displayStatusMsg()
{
	status=bannerADlink[adNum];
	document.returnValue = true;
}
function changeImageInfo(adNum)
{
//	document.getElementById("a_scroll_title").innerHTML=arrImg[adNum][1];
//	document.getElementById("a_scroll_title").href=arrImg[adNum][2];
//	document.getElementById("a_scroll_title").title=arrImg[adNum][1];
	document.getElementById("img_scroll").alt=arrImg[adNum][1];
	document.getElementById("a_scroll").href=arrImg[adNum][2];
	for(var i=0;i<4;i++)
	{
		if(i==adNum)
		{
			document.getElementById("a_"+i).style.background="#c00";//亮
		//	document.getElementById("a_"+i).style.backgroundColor="#c00"
		}
		else
		{
			document.getElementById("a_"+i).style.background="";//不亮
			//	document.getElementById("a_"+i).style.backgroundColor="";
		}
	}
}
function showAd(index)
{
	adNum=index;
	setTransition();
	document.images.bannerADrotator.src=preloadedimages[adNum].src;
	playTransition();
	changeImageInfo(adNum);
}