// JavaScript Document

function checkEnter(event)
{ 	
	if (((document.all)? event.keyCode : event.which)==13)
		mySubmit();
}

function mySubmit()
{
	if (verify())
		document.pass.submit();
}

function verify()
{
	var v = document.pass.username.value;
	if ((v== null) || (v== "")) 
	{
		alert("Please enter your user name");   	
		return false;
	}
	else
	{
		v = document.pass.password.value; 
		if ((v==null) || (v==""))
		{
			alert("Please enter your password");   	
			return false;	
		}
	}
	return true;
}