// JScript 文件

function ExchangeDiv1()
{
    document.getElementById("img1").style.display="block";
    document.getElementById("img2").style.display="none";
    document.getElementById("img3").style.display="none";
    document.getElementById("img4").style.display="none";
document.getElementById("img5").style.display="none";
}
function ExchangeDiv2()
{
    document.getElementById("img1").style.display="none";
    document.getElementById("img2").style.display="block";
    document.getElementById("img3").style.display="none";
    document.getElementById("img4").style.display="none";
        document.getElementById("img5").style.display="none";
}
function ExchangeDiv3()
{
    document.getElementById("img1").style.display="none";
    document.getElementById("img2").style.display="none";
    document.getElementById("img3").style.display="block";
    document.getElementById("img4").style.display="none";
        document.getElementById("img5").style.display="none";
}
function ExchangeDiv4()
{
    document.getElementById("img1").style.display="none";
    document.getElementById("img2").style.display="none";
    document.getElementById("img3").style.display="none";
    document.getElementById("img4").style.display="block";
        document.getElementById("img5").style.display="none";
}


function ExchangeDiv5()
{
    document.getElementById("img1").style.display="none";
    document.getElementById("img2").style.display="none";
    document.getElementById("img3").style.display="none";
    document.getElementById("img4").style.display="none";
        document.getElementById("img5").style.display="block";
}

var c=0
var t
function timedCount()
{
c=c+1
if(c==1)
{
    ExchangeDiv1();
}
if(c==2)
{
    ExchangeDiv2();
}
if(c==3)
{
    ExchangeDiv3();
}
if(c==4)
{
    ExchangeDiv4();
}
if(c==5)
{
    ExchangeDiv5();
    c=0;
}


t=setTimeout("timedCount()",1000)
}

function stopCount()
{
clearTimeout(t)
}

//function window.onload()
//{
//    timedCount();
//}