function blankcheck()
{
	
	if (document.custlogin.username.value =="" ||document.custlogin.username.value ==null)
	{
        alert("Cannot leave blank,Please enter User Name");
		document.custlogin.username.focus();
		return(false);
	}
	if (document.custlogin.password.value  == "" ||document.custlogin.password.value == null)
	{
        alert("Cannot leave blank,Please enter Password");
		document.custlogin.password.focus();
		return(false);
	}

	return(true);
		
}