// JavaScript Document
<!-- 图片动态切换 -->
<!-- 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;//15秒 

//在这里修改图片的路径和链接
zhuanti[1]=new ztstr('1','index_pic/effect/1.jpg','tiffany/necklace.html')
zhuanti[2]=new ztstr('2','index_pic/effect/2.jpg','tiffany/necklace.html')
zhuanti[3]=new ztstr('3','index_pic/effect/3.jpg','tiffany/necklace.html')
zhuanti[4]=new ztstr('4','index_pic/effect/4.jpg','tiffany/necklace.html') 
zhuanti[5]=new ztstr('1','index_pic/effect/5.jpg','tiffany/necklace.html')
zhuanti[6]=new ztstr('2','index_pic/effect/6.jpg','tiffany/necklace.html')
zhuanti[7]=new ztstr('3','index_pic/effect/7.jpg','tiffany/necklace.html')
zhuanti[8]=new ztstr('4','index_pic/effect/8.jpg','tiffany/necklace.html') 
zhuanti[9]=new ztstr('1','index_pic/effect/9.jpg','tiffany/necklace.html')
zhuanti[10]=new ztstr('2','index_pic/effect/10.jpg','tiffany/necklace.html')
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.pic.src=img'+nn+'.src');
nn++;
if(nn>imgcount) nn=1
if(!isns)
{
pic.filters.item(0).apply()
pic.style.visibility='visible'
pic.filters.item(0).play()
setTimeout("pic.style.visibility='hidden'",frequency);
}
else
document.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=30
timeout=30
dmstepw=Math.round(770/totalstep)
dmsteph=Math.round(dmheight/totalstep)
setTimeout('hidimg()',3000)
}
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()
}
}
// End -->