function close_float_left(){
     AdLayer1.style.visibility="hidden";
 }
 function close_float_right(){
     AdLayer2.style.visibility="hidden";
 }


 //more javascript from http://www.smallrain.net
function initEcAd() {
document.all.AdLayer1.style.posTop =130;
document.all.AdLayer1.style.visibility = 'visible'
document.all.AdLayer2.style.posTop =130;
document.all.AdLayer2.style.visibility = 'visible'
MoveLeftLayer('AdLayer1');
MoveRightLayer('AdLayer2');
}
function MoveLeftLayer(layerName) {
var x = 5;
var y = 130;
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = parseInt(y)");
eval("document.all." + layerName + ".style.posLeft = x");
setTimeout("MoveLeftLayer('AdLayer1');", 20);
}
function MoveRightLayer(layerName) {
var x = 5;
var y = 130;
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('AdLayer2');", 20);
}
 
 document.write("<div id='AdLayer1' style='position:absolute; width:50px; height:300px; z-index:1; left: 7px; top: 165px; visibility:visible'><table align='center' width='100%' border=0 cellspacing=1 cellpadding=2><tr><td height='284'>"
    +"<a href='Default.aspx' target='_blank'><img src='images/ad.gif' width='50' height='300' border=0></a></td></tr><tr><td height='16'>"
     +"<div align='center'><a href='javascript:close_float_left();'>关闭</a></div></td></tr></table></div>"
     +"<div id='AdLayer2' style='position:absolute; width:50px; height:300px; z-index:1; right: 7px; top: 165px; visibility:visible'><table align=center width='100%' border=0 cellspacing=1 cellpadding=2><tr><td height='284'>"
     +"<a href='Default.aspx' target='_blank'><img border=0 src='images/ad.gif' width='50' height='300'></a></td></tr><tr><td height='16'>"
     +"<div align='center'><a href='javascript:close_float_right();'>关闭</a></div></td></tr></table></div>");
 initEcAd()