function validate(checkone)
{
var username = document.login.USERNAME.value;
var password = document.login.PASSWORD.value;

if(trim(username)=="")
{
 alert('Please enter Username');
 document.login.USERNAME.focus();
 return false;
}
else if(trim(password)=="")
{
 alert('Please enter Password');
 document.login.PASSWORD.focus();
 return false;
}
if(checkone.checked)
{        
     if (username!=null && username!="")
     {
      setCookie('username',username,365)
     }   
}  
document.login.submit();    
}


function trim(str)
{
  if (str == null) {
    return "";
  }

  if(str == "")
  {
    return str;
  }
    return (str.replace(/^\s*/, "")).replace(/\s*$/, "");
}


function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}

function checkCookie()
{
 username=getCookie('username');
 if (username!=null && username!="")
 {
   document.login.USERNAME.value=username;    
   document.login.PASSWORD.focus();
 }
 else
 {
  document.login.USERNAME.focus();
 }  
}