function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nieuwe_gids_over = newImage("../images/btn-over-nieuwegids.gif");
		vacatures_over = newImage("../images/btn-over-vacatures.gif");
		adressenboek_over = newImage("../images/btn-over-adressenboek.gif");
		tijdzones_over = newImage("../images/btn-over-tijdzones.gif");
		specialenummers_over = newImage("../images/btn-over-specialenummers.gif");
		preloadFlag = true;
	}
}

function confirmform()	{
	var agree = confirm("Wissen ?");
	if (agree)
		return true;
	else
		return false;
}

function check_email(e) {
	ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";
	for(i=0; i < e.length ;i++){
		if(ok.indexOf(e.charAt(i))<0){ 
			return (false);
		}	
	} 
	if (document.images) {
		re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
		re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
		if (!e.match(re) && e.match(re_two)) {
			return (-1);		
		} 
	}
}					

var ajax = new sack();

/* PROVINCIES OPVRAGEN ADHV LANDKEUZE */
function getProvincieList(sel) {
	var countryCode = sel.options[sel.selectedIndex].value;
	document.getElementById('dhtml_provincies').options.length = 0;
	document.getElementById('dhtml_plaatsnaam').options.length = 0;	
	if(countryCode.length>0){
		ajax.requestFile = 'http://www.sheaphost.net/includes/ajax/getProvincies.php?dhtml_land='+countryCode+'&sid='+ Math.random();
		ajax.onCompletion = createProvincies;
		ajax.runAJAX();
	}
}
function createProvincies() {
	var obj = document.getElementById('dhtml_provincies');
	eval(ajax.response);
}

/* STEDEN OPVRAGEN ADHV LANDKEUZE EN PROVINCIEKEUZE */
function getStedenList(sel) {
	var provincieCode = sel.options[sel.selectedIndex].value;
	var countryCode = document.basisForm.land2[document.basisForm.land2.selectedIndex].value;
	document.getElementById('dhtml_plaatsnaam').options.length = 0;
	if(countryCode.length>0){
		ajax.requestFile = 'http://www.sheaphost.net/includes/ajax/getSteden.php?dhtml_land='+countryCode+'&dhtml_provincie='+provincieCode;
		ajax.onCompletion = createSteden;
		ajax.runAJAX();
	}
}

function createSteden() {
	var obj = document.getElementById('dhtml_plaatsnaam');
	eval(ajax.response);
}



	function kadabra(zap) {
	 if (document.getElementById) {
	  var abra = document.getElementById(zap).style;
	  if (abra.display == "block") {
	   abra.display = "none";
	   } else {
	   abra.display= "block";
	  }
	  return false;
	  } else {
	  return true;
	 }
	}