/***********************************************
* Required field(s) validation v1.10- By NavSurf
* Visit Nav Surf at http://navsurf.com
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

function formValidate (formobj) {
	// Enter name of mandatory fields
	var fieldRequired = Array("textfield_delegate_name", "Booking_Delegate_Syllabus_Number", "Booking_Delegate_Unit_Code", "Booking_Delegate_Address", "Booking_Delegate_Address_Town", "Booking_Delegate_Address_County", "Booking_Delegate_Address_PostCode", "textfield_delegate_telephone", "select_hotel_1", "select_hotel_2", "textfield_delegate_email", "textfield_days_stay");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("Full Name", "Creditor Number", "Unit Code", "Delegate Address", "Town / City", "County", "Postcode", "Telephone", "1st choice hotel", "2nd choice hotel", "Email address", "Number of nights");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++) {
		var obj = formobj.elements[fieldRequired[i]];
		if (obj) {
			switch(obj.type) {
			case "select-one":
				if (obj.selectedIndex == 0 || obj.options[obj.selectedIndex].text == "") {
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == 0) {
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null) {
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined) {
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked) {
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg) {
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}