function submit()
	  {
		var b=validate();
		if(b==true)
		  {
	       document.portal.submit();
		  }
	  }

	  function validate()
	  {
		  var user=document.portal.user.value;
		  var password=document.portal.password.value;
		  if(user.length == 0 || password.length ==0)
		  {
			 if(user.length==0)
			{ 
				alert('Please enter User Name');
				document.portal.user.focus();
				return false;
			}
			else if(password.length==0)
			{
				alert('Please enter password');
  				document.portal.password.focus();
				return false;
			}
		  }
		  else
		  {
			  return true;
		  }
	  }