function chkLogFields()
{
	
if (document.LoginForm.username.value == "")
	{
		alert
		("Please enter your username.");
		document.LoginForm.username.focus();
		return false;
	}
	
if (document.LoginForm.userpassword.value == "")
	{
		alert
		("Please enter your password.");
		document.LoginForm.userpassword.focus();
		return false;
	}
	
}