var imgWidth=500;              //图片宽
var imgHeight=250;             //图片高
var textFromHeight=25;         //焦点字框高度 (单位为px)
var buttonLineOn="#f60";           //button下划线on的颜色
var buttonLineOff="#000";          //button下划线off的颜色
var TimeOut=4000;              //每张图切换时间 (单位毫秒);
var imgUrl=new Array(); 
var imgLink=new Array();
var imgtext=new Array();
var imgAlt=new Array();
var adNum=0;
var overon=0; //鼠标是否移到上面

function playTran(){
if (document.all)
imgInit.filters.revealTrans.play();		
}

function changeimg(n)
{
adNum=n;
//window.clearInterval(theTimer);
clearTimeout(theTimer);
adNum=adNum-1;
nextAd();
}

function goUrl(){
window.open(imgLink[adNum],'_blank');
}

/*
function nextAd(){
if(adNum<(imgUrl.length-1))adNum++;
else adNum=1;
theTimer=setTimeout("nextAd()", TimeOut);
document.images.imgInit.src=imgUrl[adNum];
document.images.imgInit.alt=imgAlt[adNum];	
document.getElementById('focustext').innerHTML=imgtext[adNum];
document.getElementById('imgLink').href=imgLink[adNum];
}
*/

function nextAd(){
document.images.imgInit.onmouseover=function(){
	overon=1;
}
document.images.imgInit.onmouseout=function(){
	overon=0;
}
if (overon==1){
	theTimer=setTimeout("nextAd()", TimeOut);
	return;
}
if(adNum<count) adNum++ ;
else adNum=1;

if (document.all){
imgInit.filters.revealTrans.Transition=23;
imgInit.filters.revealTrans.apply();
playTran();
}
document.images.imgInit.src=imgUrl[adNum];
document.images.imgInit.alt=imgAlt[adNum];	
document.getElementById('link'+adNum).style.background=buttonLineOn;
for (var i=1;i<=count;i++)
{
if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}
}
document.getElementById("focustext").innerHTML=imgtext[adNum];
theTimer=setTimeout("nextAd()", TimeOut);
}