<!-----------
function getCookieVal (offset) {  
var endstr = document.cookie.indexOf (";", offset);  
if (endstr == -1)    
endstr = document.cookie.length;  
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {  
var arg = name + "=";  
var alen = arg.length;  
var clen = document.cookie.length;  
var i = 0;  
while (i < clen) {    
var j = i + alen;    
if (document.cookie.substring(i, j) == arg)      
return getCookieVal (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}

function SetCookie (name, value) {  
var argv = SetCookie.arguments;  
var argc = SetCookie.arguments.length; 
var expires = (argc > 2) ? argv[2] : null;  
var path = (argc > 3) ? argv[3] : null;  
var domain = (argc > 4) ? argv[4] : null;  
var secure = (argc > 5) ? argv[5] : false;  
document.cookie = name + "=" + escape (value) + 
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
((path == null) ? "" : ("; path=" + path)) +  
((domain == null) ? "" : ("; domain=" + domain)) +    
((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {  
var exp = new Date();  
exp.setTime (exp.getTime() - 1);  
var cval = GetCookie (name);  
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function toUTCStrDemo()
{  
  var d, s;
  d = new Date();
  s = "Current setting is ";
  s += d.toUTCString(); 
  return(s);
}

function checkform(f){
    if(document.login.username.value=="")
     {
         alert("请输入您的用户名。");
		 return false;
      }
     else if(document.login.password.value=="")
     {
         alert("请输入您的密码。");
		 return false;
      }
	//alert(f.url.value);
	var exp = new Date(); 
    	exp.setTime(exp.getTime() + (60*1000));
    	SetCookie("url",f.url.value,exp,"/","nxnews.net",false);
		document.login.action=f.url.value;
		document.login.j_username.value=document.login.username.value;
		document.login.j_password.value=document.login.password.value;
		return true;	  
}
//----->