<!-- // menu.js

	function MM_swapImgRestore() { //v3.0
		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}

	function MM_preloadImages() { //v3.0
		var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}

	function MM_findObj(n, d) { //v4.01
		var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
		if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
		if(!x && d.getElementById) x=d.getElementById(n); return x;
	}

	function MM_swapImage() { //v3.0
		var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	
	var onloadEvents = new Array();
	function addOnloadEvent(command) { //v1.0
		onloadEvents[onloadEvents.length] = command;
	}
	function executeOnloadEvents() { //v1.0
		for (var i = 0; i < onloadEvents.length; i++) {
			eval(onloadEvents[i]);
		}
	}
	window.onload = executeOnloadEvents;
	
	function fnPreLoadImages() {
		MM_preloadImages('img/home_hover.png', 'img/aanmelden_hover.png', 'img/sprekers_hover.png', 
			'img/informatie_hover.png', 'img/partnerskdk_hover.png', 'img/partnersiaa_hover.png', 
			'img/contact_hover.png');
	}
	//addOnloadEvent("fnPreLoadImages()");
	
	var requiredFields = new Array();
	var requiredFieldNames = new Array();
	var requiredOptions = new Array();
	var requiredOptionNames = new Array();
	function requiredField(field, name) {
		requiredFields[requiredFields.length] = field;
		requiredFieldNames[requiredFieldNames.length] = name;
	}
	function requiredOption(field, name) {
		requiredOptions[requiredOptions.length] = field;
		requiredOptionNames[requiredOptionNames.length] = name;
	}
	function checkForm(frm) {
	    if (!frm) frm = document.forms[0];
		for (var i = 0; i < requiredFields.length; i++) {
			if (requiredFields[i].value == '') {
				alert('Vul a.u.b. het veld ' + requiredFieldNames[i] + ' in.\n');
				if (requiredFields[i].focus) requiredFields[i].focus();
				return false;
			}
		}
		for (var i = 0; i < requiredOptions.length; i++) {
			var found = false;
			for (var j = 0; j < requiredOptions[i].length; j++) {
				if (requiredOptions[i][j].checked) found = true;
			}
			if (!found) {
				alert(requiredOptionNames[i] + '\n');
				return false;
			}
		}
		return true;
	}

//-->