function referLogin(){
 
	 var targetUrl = "http://www.tvtour.com.cn/login.php";
	 var url = "";
	 var currUrl = window.top.location.href; 
	 if(!(/(refer=)\w{0,}/.test(currUrl)) && !(/(\/login.php)\w{0,}/.test(currUrl))){ 
		 url = url ? url : 'www.tvtour.com.cn'; 
		 url = "?refer="+url;
		 window.top.location.replace(targetUrl+url);
	 }
}     
document.write('<img src=\"\/static\/global\/login.gif\" border=\"0\" onclick=\"javascript:referLogin();\" style=\"cursor:pointer\" \/> | <img src=\"\/static\/global\/register.gif\" border=\"0\" onclick=\"javascript:referLogin();\" style=\"cursor:pointer\" \/> | <img src=\"\/static\/global\/use_help.gif\"  onclick=\"javascript:window.top.location.replace(\'http://www.tvtour.com.cn/help/\');\" border=\"0\"  style=\"cursor:pointer\" \/> ');