function val_fields(theForm) { 	if (theForm.MembershipType.selectedIndex == 0) 	{ 		alert("Please select a membership type."); 		theForm.MembershipType.focus(); 		return (false); 	}  	if (theForm.MemberName.value == "") 	{ 		alert("Please enter a member name."); 		theForm.MemberName.focus(); 		return (false); 	}  	if ( (!theForm.payment[0].checked) & (!theForm.payment[1].checked) ) 	{ 		alert("Please enter a payment type."); 		return (false); 	}  	return (true); }