var fieldDescription;
var alertMsg;
var alertEmail;

function formCheckRequest(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("firstname", "surname", "postcode", "emailaddress", "confirmemail");
	var fieldEmail = "emailaddress";
	var fieldEmailConfirm = "confirmemail";
		
	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 == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					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){
		if (fieldValueIsIndentical(formobj, fieldEmail, fieldEmailConfirm)) {
			return true;
		}else{
			alert(alertEmail);
			alertEmail == "";
			return false;
		}
	}else{
		alert(alertMsg);
		alertMsg == "";
		return false;
	}
}

function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("firstname", "surname", "emailaddress", "body");
		
	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 == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					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);
		alertMsg == "";
		return false;
	}
}

function fieldValueIsIndentical(formobj, fieldA, fieldB) {
	//Check if the value of two fields is the same

	var objFieldA = formobj.elements[fieldA];
	var objFieldB = formobj.elements[fieldB];
	if (objFieldA.value == objFieldB.value){
		return true;
	} else {
		return false;
	}
}