function formCheck(formobj){
	var fieldRequired = Array("merk", "typen", "kleur", "bj", "price", "sms", "uitleg");
	var fieldDescription = Array("Merk", "Type", "Kleur", "Bouwjaar", "Prijs", "SMS-Slogan", "Extra Uitleg");
	var alertMsg = "Alle velden moeten gevuld zijn kijk naar de volgende velden:\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 == -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);
		return false;
	}
}

function Check_Email_Form(formobj){
	var fieldRequired = Array("voornaamzender", "voornaamontvanger", "emailzender", "emailontvanger");
	var fieldDescription = Array("Voornaam afzender", "Voornaam ontvanger", "E-Mail adres afzender", "E-Mail adres ontvanger");
	var alertMsg = "Hoi ! ff opletten !! \n\nAlle velden ('invul-dingen'^^) graag correct en volledig invullen;\n we willen er een leuk en compleet geheel van maken ! thx ^^ :\n\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 == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \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] + " ...ontbreekt ^^ \n";
				}
			}
		}
	}

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

function Check_Guest_Form(formobj){
	var fieldRequired = Array("name", "age", "country", "province", "telephone", "email", "message");
	var fieldDescription = Array("Roepnaam", "Leeftijd", "Woonplaats", "Provicie", "Telefoon", "E-Mail", "Bericht");
	var alertMsg = "Hoi ! ff opletten !! \n\nAlle velden ('invul-dingen'^^) graag correct en volledig invullen;\n we willen er een leuk en compleet gastenboek van maken ! thx ^^ :\n\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 == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \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] + " ...ontbreekt ^^ \n";
				}
			}
		}
	}

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

function UploadCheck(formobj){
	var fieldRequired = Array("foto");
	var fieldDescription = Array("");
	var alertMsg = "Hoi ! ff opletten !! \n\nJe bent vergeten een foto te selecteren! thx ^^ ";
	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] + " ...ontbreekt ^^ \n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += "" + fieldDescription[i] + " ...ontbreekt ^^ \n";
				}
				break;
			case "file":
			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] + " ...ontbreekt ^^ \n";
				}
			}
		}
	}

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