//float
var showadleft = false;
var showadright = false;
var Toppx = 160; //上端位置
var AdDivW = 100; //宽度
var AdDivH = 100; //高度
var PageWidth = 800; //这个参数决定是否出现左右滚动条
var MinScreenW = 1024; //显示广告的最小屏幕宽度象素

var ClosebuttonHtml = '<div align="right" style="position: absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:;" onclick="hideadleft()" style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'

var ClosebuttonHtml2 = '<div align="right" style="position: absolute;top:0px;right:0px;margin:0px;padding:0px;z-index:2000;"><a href="javascript:;" onclick="hideadright()" style="color:white;text-decoration:none;font-size:12px;">关闭</a></div>'

var AdContentHtml = "<div align='center'><a href='javascript:showyhq();'><img  src='/sd/images/yhq-s.gif' border='0'/></div>";
var AdContentHtml2 ="<div align='center'><a href='javascript:showyhq();'><img  src='/sd/images/yhq-s.gif' border='0'/></div>";

document.write('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:' + AdDivW + 'px;height:' + AdDivH + 'px;top:-1000px;word-break:break-all;display:none;">' + ClosebuttonHtml + '<div>' + AdContentHtml + '</div></div>');
document.write('<div id="Javascript.RightDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:' + AdDivW + 'px;height:' + AdDivH + 'px;top:-1000px;word-break:break-all;display:none;">' + ClosebuttonHtml2 + '<div>' + AdContentHtml2 + '</div></div>');
function scall() {
    if (!showadleft && !showadright) { return; }
    if (window.screen.width < MinScreenW) {
        alert("临时提示：\n\n显示器分辨率宽度小于" + MinScreenW + ",不显示广告");
        showad = false;
        document.getElementById("Javascript.LeftDiv").style.display = "none";
        document.getElementById("Javascript.RightDiv").style.display = "none";
        return;
    }
    var Borderpx = ((window.screen.width - PageWidth) / 2 - AdDivW) / 2;

    if (showadleft) {
        document.getElementById("Javascript.LeftDiv").style.display = "";
        document.getElementById("Javascript.LeftDiv").style.top = document.documentElement.scrollTop + Toppx;
        document.getElementById("Javascript.LeftDiv").style.left = document.documentElement.scrollLeft + Borderpx - 55;

    }
    if (showadright) {
        document.getElementById("Javascript.RightDiv").style.display = "";
        document.getElementById("Javascript.RightDiv").style.top = document.documentElement.scrollTop + Toppx;
        document.getElementById("Javascript.RightDiv").style.left = document.documentElement.scrollLeft + document.documentElement.clientWidth - document.getElementById("Javascript.RightDiv").offsetWidth - Borderpx -50;
		if (  parseInt( document.getElementById("Javascript.RightDiv").style.left) <=0) 
			document.getElementById("Javascript.RightDiv").style.left= document.body.scrollWidth - 230;
    }
}

function hideadleft() {
    showadleft = false;
    document.getElementById("Javascript.LeftDiv").style.display = "none";
}
function hideadright() {
    showadright = false;
    document.getElementById("Javascript.RightDiv").style.display = "none";
}

window.onscroll = scall;
window.onresize = scall;
window.onload = scall;