// <![CDATA[
	// Voorkom dat de site in andermans frame geladen wordt.
	if (window!= top){
		top.location.href=location.href
	}		

	// Preloaden
	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			menuover_links = newImage("images/menuover_links.gif");
			menuover_rechts = newImage("images/menuover_rechts.gif");
			
			preloadFlag = true;
		}
	}
	
	// Change image
	function changeImages() {
		if (document.images) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
	
	// Test het contact formulier
	function testcontactform(formulier){
		if(formulier.naam.value == ""){
			alert("U bent vergeten uw naam in te vullen.");
			formulier.naam.focus();
			return false;
		}
		
		var fout = false;
		if (formulier.mail_from.value == formulier.mail_from.defaultValue || formulier.mail_from.value == ""){
			if (fout==false){fout = formulier.mail_from;}
		} else if (! /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{1,99})+\.)+([a-zA-Z0-9]{2,5})+$/.test(formulier.mail_from.value)){
			if (fout==false){fout = formulier.mail_from;}
			} else {
		}		

		if (fout != false){
			alert('Uw e-mail adres is niet geldig.');
			fout.focus()
			return false;
		}
		
		if(formulier.mail_subject.value == ""){
			alert("U bent een onderwerp in te vullen.");
			formulier.mail_subject.focus();
			return false;
		}
		
		if(formulier.bericht.value == ""){
			alert("U bent een bericht in te vullen.");
			formulier.bericht.focus();
			return false;
		}
	}
	
	// Confirm delete
	function confirmwissen(){
		var agree = confirm('Formulier wissen? Weet u het zeker?');
		if (agree)
			return true ;
		else
			return false ;
	}
	
	// Test het contact formulier
	function testcontactformeng(formulier){
		if(formulier.naam.value == ""){
			alert("You've forgotten to enter your name.");
			formulier.naam.focus();
			return false;
		}
		
		var fout = false;
		if (formulier.mail_from.value == formulier.mail_from.defaultValue || formulier.mail_from.value == ""){
			if (fout==false){fout = formulier.mail_from;}
		} else if (! /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{1,99})+\.)+([a-zA-Z0-9]{2,5})+$/.test(formulier.mail_from.value)){
			if (fout==false){fout = formulier.mail_from;}
			} else {
		}		

		if (fout != false){
			alert('Your e-mail address is not valid.');
			fout.focus()
			return false;
		}
		
		if(formulier.mail_subject.value == ""){
			alert("You've forgotten to enter a subject.");
			formulier.mail_subject.focus();
			return false;
		}
		
		if(formulier.bericht.value == ""){
			alert("You've forgotten to enter a message.");
			formulier.bericht.focus();
			return false;
		}
	}
	
	// Confirm delete
	function confirmwisseneng(){
		var agree = confirm('Are you sure you want to clear the form?');
		if (agree)
			return true ;
		else
			return false ;
	}
// ]]>