function initEcAd() {
document.all.AdLayer1.style.posTop = -200;
document.all.AdLayer1.style.visibility = 'visible'
document.all.AdLayer2.style.posTop = -200;
document.all.AdLayer2.style.visibility = 'visible'
MoveLeftLayer('AdLayer1');
MoveRightLayer('AdLayer2');
}
function MoveLeftLayer(layerName) {
var x = 5;
var y = 100;// 左侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.body.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 = 100;// 右侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;
var y = document.body.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;visibility:hidden;z-index:1'><a href='http://www.nbs.net.cn/pfstool_csc114.asp' target='_blank'><img src=img/pf100_300.gif border='0'></a></div>"
+"<div id=AdLayer2 style='position: absolute;visibility:hidden;z-index:1'><a href='tencent://message/?uin=896825813&Site=中国水产展销网&Menu=yes'><img src=images/online01.gif border='0'></a><table width='104' border='0' align='center' cellpadding='0' cellspacing='1' bgcolor='#FFFFFF' style='border-left:1px solid #c1c1c1;border-right:1px solid #c1c1c1;border-bottom:1px solid #c1c1c1;'><tr><td height='23' align='center' background='img/menubg.gif' bgcolor='#63C132'><a href='About.asp?Id=17'><font color='red' style='font-size=14px;'><b>采购指南</b></font></a></td></tr><tr><td height='23' align='center' background='img/menubg.gif' bgcolor='#63C132'><a href='About.asp?Id=18'><font color='red' style='font-size=14px;'><b>支付方式</b></font></a></td></tr><tr><td height='23' align='center' background='img/menubg.gif' bgcolor='#63C132'><a href='About.asp?Id=19'><font color='red' style='font-size=14px;'><b>配送方式</b></font></a></td></tr><tr><td height='23' align='center' background='img/menubg.gif' bgcolor='#63C132'><a href='About.asp?Id=16'><font color='red' style='font-size=14px;'><b>销售承诺</b></font></a></td></tr></table></div>");
initEcAd()

// JavaScript Document