var ckuser="rox_sonhoo";
	var strsc="<IFRAME border=0 name=sina_roll marginWidth=0 marginHeight=0 src=http:\/\/cn.sonhoo.com\/sonhooad\/tc.asp frameBorder=no width=0 scrolling=no height=0><\/IFRAME>";
	function get_cookie(Name) {
		var search = Name + "="
		var returnvalue = "";
		if (document.cookie.length > 0) {
			offset = document.cookie.indexOf(search)
			if (offset != -1) {
				offset += search.length
				end = document.cookie.indexOf(";", offset);
				if (end == -1)
				end = document.cookie.length;
				returnvalue=unescape(document.cookie.substring(offset, end))
			}
		} 
		return returnvalue;
		
	}
	//alert(get_cookie('code_'+ckuser));
	if (get_cookie('code_'+ckuser)==''){
		var Then = new Date();
		Then.setTime(Then.getTime() + 3600*1000);
		document.cookie='code_'+ckuser+'=yes;expires='+ Then.toGMTString();
		document.write(strsc);
	}else{

	}