function checkWholeForm(register_win) {
	var why = "";

		why += isEmpty(register_win.first_name.value, "FIRST NAME");
		if (why != "") {
			alert(why);
			register_win.first_name.focus();
			return false;
		}
		
		why += isEmpty(register_win.last_name.value, "LAST NAME");
		if (why != "") {
		alert(why);
		register_win.last_name.focus();
		return false;
		}
		
		why += checkEmail(register_win.email.value, "EMAIL ADDRESS");
		if (why != "") {
		alert(why);
		register_win.email.focus();
		return false;
		}
		
		why += isEmpty(register_win.email_confirm.value, "CONFIRM EMAIL ADDRESS");
		if (why != "") {
		alert(why);
		register_win.emai1_confirm.focus();
		return false;
		}
		
		why += isEmpty(register_win.postcode.value, "POST CODE");
		if (why != "") {
		alert(why);
		register_win.postcode.focus();
		return false;
		}
		
			
		if (document.register_win.tc.checked) {
				var checkvalueA = register_win.tc.value;
		} 
    why += checkCheckBoxA(checkvalueA);
		 if (why != "") {
       alert(why);
			 document.register_win.tc.focus();
       return false;
    }
		
	return true;
}


function checkCheckBoxA(checkvalueA) {
var error = "";
   if (!(checkvalueA)) {
       error = "YOU MUST ACCEPT OUR TERMS AND CONDITIONS\n";
    }
return error;
}