//ʵÏÖͼƬÇл»Ð§¹û(BEGIN)
isns = navigator.appName == "Netscape";
function ztstr(id,picurl,linkurl)
{
this.id=id
this.picurl=picurl
this.linkurl=linkurl
}

zhuanti=new Array()
imgcount=1;
frequency=5*1000;//30Ãë

zhuanti[1]=new ztstr('1','images/index-09.gif','')
zhuanti[2]=new ztstr('2','images/index-09.gif','')
zhuanti[3]=new ztstr('3','images/index-09.gif','')
zhuanti[4]=new ztstr('4','images/index-09.gif','')
zhuanti[5]=new ztstr('4','images/index-09.gif','')
zhuanti[6]=new ztstr('4','images/index-09.gif','')

imgcount=zhuanti.length-1
for(i=1;i<=imgcount;i++)
{
eval("img"+i+"=new Image()")
eval("img"+i+".src=zhuanti["+i+"].picurl")
}

nn=1
var rand1 = 0;
var useRand = 0;
function swapPic() {
var imgnum = zhuanti.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;
// alert(useRand);
nn=useRand;
change_img();
}

function change_img()
{
eval('document.all.pic.src=img'+nn+'.src');
nn++;
if(nn>imgcount) nn=1
if(!isns)
{
document.all.pic.filters.item(0).apply()
document.all.pic.style.visibility='visible'
document.all.pic.filters.item(0).play()
setTimeout("document.all.pic.style.visibility='hidden'",frequency);
}
else
document.all.pic.visibility='visible'
tt=setTimeout('change_img()',frequency)
}

function pictarget()
{
tt=nn-1
if(tt<1) tt=imgcount
cururl=zhuanti[tt].linkurl
window.open(cururl);
}
function ini()
{
if(!isns)
{
spacewidth=Math.round((divmask.offsetWidth-770)/2)
dmwidth=770+spacewidth
dmheight=divmask.offsetHeight
totalstep=50
timeout=50
dmstepw=Math.round(770/totalstep)
dmsteph=Math.round(dmheight/totalstep)
setTimeout('hidimg()',300)
}
else swapPic()
}

function hidimg()
{
dmwidth-=dmstepw
dmheight-=dmsteph
eval('divmask.style.clip="rect(0,'+dmwidth+','+dmheight+',0)"')
hdrun=setTimeout('hidimg()',timeout)
if(dmwidth<=spacewidth&&dmheight<=0)
{
divmask.style.visibility='hidden'
clearTimeout(hdrun)
swapPic()
}
}