var showad = true;        //是否显示广告
var Toppx = 160;            //上端位置
var AdDivW = 110;        //宽度
var AdDivH = 200;        //高度
var PageWidth = 600;    //页面多少宽度象素下正好不出现左右滚动条
var MinScreenW = 800;    //显示广告的最小屏幕宽度象素

var ClosebuttonHtml = '<div style="position: absolute;top:0px;right:0px;margin-top:12px;text-align:center;z-index:2000;"><a href="#" onclick="hidead();return false;" style="color:red;text-decoration:none;font-size:12px;"><img src="http://www.chinaenc.com.cn/myplus/close.gif" border="0" alt="关闭" /></a></div>'
var AdContentHtml2 = '<br /><div style="margin:36px 0 0 10px;"><div style="line-height:32px; font-size:14px; font-weight:bold">在线客服:</div><div style="height:24px"><img src="http://www.chinaenc.com.cn/animated_favicon.gif" alt="QQ" align="absmiddle" /><a href="http://wpa.qq.com/msgrd?V=1&amp;Uin=729664140&amp;Site=ENC&amp;Menu=yes" target="_blank">729664140</a></div><div style="height:24px"><img src="http://www.chinaenc.com.cn/animated_favicon.gif" alt="QQ" align="absmiddle" /><a href="http://wpa.qq.com/msgrd?V=1&amp;Uin=952684738&amp;Site=ENC&amp;Menu=yes" target="_blank">952684738</a></div></div>';
document.write ('<div id="Javascript.RightDiv" style="position: absolute; background:url(http://www.chinaenc.com.cn/myplus/encqqbg.gif); z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml2+'</div></div>');
function scall(){
    if(!showad){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;

    document.getElementById("Javascript.RightDiv").style.display="";
    document.getElementById("Javascript.RightDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
    document.getElementById("Javascript.RightDiv").style.left=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx)+"px";
}

function hidead()
{
    showad = false;
    document.getElementById("Javascript.RightDiv").style.display="none";
}
window.onscroll=scall;
window.onresize=scall;
scall();