function ad_show(){ //显示广告函数
ad_width=screen.width-978;
left_div=(ad_width-100)/2; //得到左边栏的left位置
right_div=988+left_div; //得到右边栏的left位置
left_str="<div id='adleft' style='position:absolute;top:150px;left:"+left_div+"px;width:59px;height:146px;z-index:2007;display:none;'>";
left_str+="<tr><td><img src='images/leftBanner2.gif' /></td></tr>";
left_str+="<tr><td><img src='images/leftopen.gif' /></td></tr>";
left_str+="<tr><td><img src='images/545454.gif' /></td></tr>";
left_str+="<tr><td><a href='tencent://message/?uin=1124661748&amp;Site=在线客服&amp;Menu=yes'><img src='http://wpa.qq.com/pa?p=1:1124661748:4' alt='汉语商谈 1124661748' />&nbsp;&nbsp;&nbsp;</a></td></tr>";
left_str+="<tr><td><a href='tencent://message/?uin=1546516534&amp;Site=在线客服&amp;Menu=yes'><img src='http://wpa.qq.com/pa?p=1:1546516534:4' alt='汉语商谈 1546516534' />&nbsp;&nbsp;&nbsp;</a></td></tr>";
left_str+="<tr><td><a href='tencent://message/?uin=1534349756&amp;Site=在线客服&amp;Menu=yes'><img src='http://wpa.qq.com/pa?p=1:1534349756:4' alt='汉语商谈 1534349756' />&nbsp;&nbsp;&nbsp;</a></td></tr>";
left_str+="<tr><td><a href='tencent://message/?uin=1312882855&amp;Site=在线客服&amp;Menu=yes'><img src='http://wpa.qq.com/pa?p=1:1312882855:4' alt='汉语商谈 1312882855' />&nbsp;&nbsp;&nbsp;</a></td></tr>";
left_str+="<tr><td><a href='tencent://message/?uin=1095378119&amp;Site=在线客服&amp;Menu=yes'><img src='http://wpa.qq.com/pa?p=1:1095378119:4' alt='韩语商谈 1095378119'/>&nbsp;&nbsp;&nbsp;</a></td></tr>";
left_str+="<tr><td><a href='msnim:chat?contact=etudeshop1@hotmail.com'><img src='images/leftmsn.gif' /></a></td></tr>";
left_str+="<tr><td><a href='msnim:chat?contact=etudeshop2@hotmail.com'><img src='images/leftmsn.gif' /></a></td></tr>";
left_str+="<tr><td><a href='msnim:chat?contact=etudeshop3@hotmail.com'><img src='images/leftmsn.gif' /></a></td></tr>";
left_str+="<tr><td><a href='http://amos1.taobao.com/msg.ww?v=2&amp;uid=dnldud517=1' target='_blank'><img src='images/leftw.gif' alt='taobao'/></a></td></tr>";
left_str+="</div>";
left_str+="</div>";




right_str="<div id='adright' style='position:absolute;top:150px;left:"+right_div+"px;width:92px;height:180px;z-index:2008;padding:4px;display:none;'>";
right_str+="<table border=0 cellpadding=0 cellspacing=0>";
right_str+="<tr><td><img src='images/bg_quickBody_r1.gif' /></td></tr>";
right_str+="<tr><td><a href='EtudeStory.aspx'><img src='images/bg_quickBody_r2.gif' /></a></td></tr>";
right_str+="<tr><td><a href='Etudenavi2.aspx'><img src='images/bg_quickBody_r3.gif' /></a></td></tr>";
right_str+="<tr><td><a href='Etudenavi2.aspx'><img src='images/bg_quickBody_r4.gif' /></a></td></tr>";
right_str+="<tr><td><a href='Event.aspx'><img src='images/bg_quickBody_r5.gif' /></a></td></tr>";
right_str+="<tr><td><a href='#top'><img src='images/bg_quickBody_r6.gif' /></a></td></tr>";
right_str+="</table>";
right_str+="<div style=\"text-align:left;padding-left:10px;padding-top:10px;\"><img src=\"images/top_url.jpg\" /></div>";
right_str+="<div style=\"text-align:left;padding-left:10px;\">";
right_str+="<div class=\"jinri-top\" style=\"height:18px;\"></div><div class=\"jinri\">";
//right_str+="<div class=\"btn\"><a onfocus=\"this.blur()\" href=\"#\"><img src=\"images/top5_8.gif\" /></a></div>";
right_str+="<div class=\"box\" id=\"jinri-box\"></div>";
//right_str+="<div class=\"btn\"><a onfocus=\"this.blur()\" href=\"#\"><img src=\"images/top5_10.gif\" /></a></div>";
right_str+="</div><div class=\"jinri-bottom\"></div>";
right_str+="</div>";
right_str+="</div>";
document.write(left_str);
document.write(right_str);
}   
ad_show(); 
function initEcAd15(){   
     
    if(document.all){
	    document.all.adright.style.posTop=-200;
	    document.all.adright.style.visibility='visible';
	    document.all.adleft.style.posTop=-200;
	    document.all.adleft.style.visibility='visible';
    }
    else{
	    document.getElementById('adright').style.posTop=-200;
	    document.getElementById('adright').style.visibility='visible';
	    document.getElementById('adleft').style.posTop=-200;
	    document.getElementById('adleft').style.visibility='visible';
    }
    MoveRightLayer15();
}


function MoveRightLayer15(){
    var x=10;
    var y=102;
    if(document.all){
	    var postop=document.all.adright.style.posTop=document.all.adleft.style.posTop;
    }else{
	    var postop=document.getElementById('adright').style.posTop=document.getElementById('adleft').style.posTop;;
    }
    var docuTop=document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop;
    var diff=(docuTop+y-postop)*.80;
    var y=docuTop+y-diff;
    if(document.all){
        document.all.adleft.style.posTop=document.all.adright.style.posTop=y;
        document.all.adright.style.posRight=x;        
    }else{
        document.getElementById('adright').style.posTop=document.getElementById('adleft').style.posTop=y;
        document.getElementById('adright').style.posRight=x;        
    } 
    setTimeout("MoveRightLayer15();", 40);
}
initEcAd15();
var sid=setInterval(
    function(){       
        if(((document.body.clientWidth-970)/2-59)>0){
            document.getElementById('adright').style.display="block";
            document.getElementById('adleft').style.display="block";
            document.getElementById('adleft').style.left=(document.body.clientWidth-970)/2-59+"px";
            document.getElementById('adright').style.left=(document.body.clientWidth-970)/2+970+"px";
           
        }else{
            document.getElementById('adright').style.display="none";
            document.getElementById('adleft').style.display="none";
            //clearInterval(sid);
        }         
},1000);