function login(){	
		window.location="/login.jsp?back="+escape(top.location.href);
}


	var nullStr = ";domain=tiwen365.com; path=/";

	 function loginout(){
			setcookie( "Ruihe_UserName", nullStr );
			setcookie( "Ruihe_UserPassword", nullStr );
			setcookie( "Ruihe_UserID", nullStr );
			setcookie( "Ruihe_UserType", nullStr );
			var url = "quit.jsp";		
			var pars = "time=" + new Date().getTime();
			var myAjax = new Ajax.Updater('',url,{method: 'get',parameters: pars});
			location.reload();
	 }	 

	 
	 function checkpaper(num){
	 var username="";
	 var userpwd="";
	 var userid = "";
	 username = getcookie( "Ruihe_UserName" );
	 var alertStr = "可能原因是您没有登陆！\r\n请登陆之后，点击此项。\r\n谢谢合作！";
	 if( username == "" ){ 	 
        alert( alertStr );
        return;
	 }
	  username = username.substring( 0, username.length-2);
	 userpwd = getcookie( "Ruihe_UserPassword" );
	 if( userpwd == "" ){
	 	alert( alertStr );
        return;
	 }
	 	userpwd = userpwd.substring( 0, userpwd.length-2);
	 	
	 userid = getcookie( "Ruihe_UserID" );
	 if( userid == "" ){
	 	alert( alertStr );
        return;
	 }
	 	userid = userid.substring( 0, userid.length-2);
	 	
	 	//获取服务区端产生的时间校验码
	 	var	 timeVeryCode = getcookie( "Ruihe_VeryCode" );
	 if( timeVeryCode == "" ){
	 	alert( alertStr );
        return;
	 }
	 	timeVeryCode = timeVeryCode.substring( 0, timeVeryCode.length-2);
	 var url = "http://zujuan.tiwen365.com:8080/userlogin.aspx?username=" + username + "&key=" + userpwd + "&userid=" + userid +  "&usertype=" + num + "&time=" + new Date().getTime()
	 + "&code=" + timeVeryCode;
	 parent.location = url;
	 }
	 
	 function check(){
		var s=loginform.userID.value;
	if(s == ''){alert('用户名不能为空');return false;}
	if (s.search(/^[A-Za-z0-9_]+$/) == -1){alert('用户名有非法字符');return false;}
	if (s.length<4){alert('用户名不能少于4位');return false;}
	
	var p=loginform.userPass.value;
	if(p == ''){alert('密码不能为空');return false;}
}
    function relogin(url){
    if(url!=""){
    	window.location = url;
    }else{
    	return;
    }
    }