function formCheck1(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","adres","postcode","woonplaats", "telefoon", "geb_datum","eindleeftijd","bedrag_1","bedrag_2", "emailadres");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Uw naam","Adres","Postcode","Woonplaats", "Telefoon","Geboorte datum","Eindleeftijd","Verzekerdbedrag 1e jaar","Verzekerdbedrag volgjaren","E-mailadres");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\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.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//-----------------------------------------------
function formCheck2(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam", "telefoon", "emailadres");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Uw naam","Telefoonnummer","E-mailadres");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\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.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//---------------------------------------------
function formCheck3(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","adres","postcode","woonplaats", "telefoon", "emailadres");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Uw naam","Adres", "Postcode","Woonplaats","Telefoonnummer","E-mailadres");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\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.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//---------------------------------------------
function checkEmailAddress(field) 
{
	var goodEmail = field.value.match(/\b(^(\S+@).+((\.info)|(\.biz)|(\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
	if (goodEmail) 
	{
		good = true;
	}
		else 
		{
			alert('Vul a.u.b. een geldig e-mail adres in');
			field.focus();
			field.select();
			good = false;
		}
} 
//------------------------------------------------
function OpenVenster(pagina, w, h)
{
br = (screen.availWidth / 2) - (w / 2);
hg = (screen.availHeight / 2) -(h / 2);
url = pagina;
ext = 'left='+br+',top='+hg+',width='+w+',height='+h+',scrollbars=yes';
win = window.open(url, 'KUBUS', ext) 
}
//------------------------------------------------
function showFrom(formname)
{
window.opener.location.href = formname;
self.close();
}