function getArgs(args, qs){
    var s = args;
    s = s.replace("?","?&").split("&");
    var re = "";
    for(i=0;i<s.length;i++){
        if(s[i].indexOf(qs+"=")==0){
            re = s[i].replace(qs+"=","");
        }
    }
    return re;
};

function WaueeReplaceStr(str){
    var td = new Date();
    var clientid = td.getTime().toString().substring(0,10);    
    str=str.replace(/\$\{mid\}/g,mid);
    str=str.replace(/\$\{channel\}/g,channel);
    

    str=str.replace(/\$\%7Bmid\%7D/g,mid);
    str=str.replace(/\$\%7Bchannel\%7D/g,channel);
    
    str=str.replace(/\$\{clientid\}/g,clientid);
    str=str.replace(/\$\%7Bclientid\%7D/g,clientid);
    
    str=str.replace(/\$\{extra\}/g,extra);
        str=str.replace(/\$\%7Bextra\%7D/g,extra);    
     str=str.replace(/\$\{ref\}/g,ref);
    str=str.replace(/\$\%7ref\%7D/g,ref);
    
    return str;
};

// Parse src's args
var args = "";
var e_left_couplet_id = "wauee_120_240_couplet_l";
var e_left_couplet_code_lid = "wauee_code_120_240_couplet_l";
var e_lb = document.getElementById(e_left_couplet_id);
if(e_lb){
	var e_lb_fp = e_lb.src;
	args = (e_lb_fp.indexOf("?") > 0)?e_lb_fp.split("?")[1]:"";

	var mid=getArgs(args,"mid");
	if(mid==""){ mid="1956"; };
	var channel=getArgs(args,"channel");
	if(channel==""){channel="1";};
    var extra=getArgs(args,"extra");
    if(extra==""){extra="1";};    
	var cid=getArgs(args,"cid");
	if(cid==""){cid="-1";};
	
};
if(args){
var ref = escape(window.location);       
var code = '<div id="wauee_code_120_240_couplet_l" style="left:10px;position:absolute;top:20px;text-align:center;"><a href="http://${mid}.3ii1.com/click?pid=21&mid=${mid}&channel=${channel}&pt=df&extra=${extra}&clientid=${clientid}&ref=${ref}" target="_blank"><img src="http://${mid}.wauee.com/cts/images/df/cts_120_240.gif" border="0" alt="" /></a><br /><a href="#" onclick="return CloseCoupletLeftIt();"><img src="http://${mid}.wauee.com/close.gif" border="0" alt="" /></a></div>';
    display_code = WaueeReplaceStr(code);
    document.writeln(display_code);

    lastScrollY=0;
    function heartBeat(){
        var diffY;
        if (document.documentElement && document.documentElement.scrollTop){
        diffY = document.documentElement.scrollTop;
        }else if (document.body){
            diffY = document.body.scrollTop;
        }
        else{
            /*Netscape stuff*/
        }

        percent=.1*(diffY-lastScrollY);
        if(percent>0)percent=Math.ceil(percent);
        else percent=Math.floor(percent);
        document.getElementById(e_left_couplet_code_lid).style.top=parseInt(document.getElementById(e_left_couplet_code_lid).style.top)+percent+"px";
        lastScrollY=lastScrollY+percent;
    }
    setInterval("heartBeat()",1);

    var lbCodeLeftLayer = document.getElementById(e_left_couplet_code_lid).style;
    function CloseCoupletLeftIt(){
    	lbCodeLeftLayer.display='none';
        return false;
    }
}else{
	document.writeln('<a href="http://wauee.com/" target="_blank">抱歉,代码显示异常,请确认广告代码是否提取正确!挚盟广告(wauee.com)</a>');
};