function validate()
{
	theFormFields=document.getElementsByTagName("form")[0].getElementsByTagName("input");
	for(ii=0; ii<theFormFields.length; ii++)
	{
		if(theFormFields[ii].className=="required" && theFormFields[ii].value=="")
		{
			alert(theFormFields[ii].name + " required.");
			theFormFields[ii].focus();
			return false;
		}
	}
	return true;
}