var img_group = new Array();
img_group[0] = "/tkzs/zstp.jpg";
img_group[1] = "/tkzs/zstp.jpg";
rd_ad_img = Math.floor(Math.random() * img_group.length); //生成随机数
document.write("<div align='center'>");
document.write("<div id='ShowAD' style='position:absolute; z-index: 100;'>");
document.write("<div id='ImgLayer' style='position:absolute; z-index:1; left: 0px;'>");
document.write("<a href='/tkzs/zsbz.htm#图库助手说明' target='_blank' onclick=ShowAD.style.visibility='hidden'><img src='"+img_group[rd_ad_img]+"' width='188' height='130' border='0'></a></div></div></div>");
ShowAD.style.top=document.body.clientHeight-135;
ShowAD.style.left=document.body.clientWidth-220;
moveR();
function moveR() {
ShowAD.style.top=document.body.scrollTop+document.body.clientHeight-130;
ShowAD.style.left=document.body.scrollLeft+document.body.clientWidth-206;
setTimeout("moveR();",80)
}