var prev= '';
var n= ''; 
var cur=null;
function ShowHide(id, image ,visibility, display, previous, elt, hasSub) {
    obj = document.getElementsByTagName("div");
    imgobj = document.getElementById(image);
    if (cur != null)  {
        tmp = cur
        cur = null
        tmp.onmouseout();
    }
    cur = elt
    if(previous != ""){
        obj[previous].style.visibility = 'hidden';
        obj[previous].style.display = 'none';
    }
    imgobj.src = 'images/nav/' + id + '-over.jpg';
    if(hasSub == 1){
        obj[id].style.visibility = visibility;
        obj[id].style.display = display;
    } 
} 

function popup(w,h,site) {
        x = screen.availWidth/2-w/2;
        y = screen.availHeight/2-h/2;
        var popupWindow = window.open(
            '','','width='+w+',height='+h+',left='+x+',top='+y+',screenX='+x+',screenY='+y);
        popupWindow.document.write(site);
}

      
function SetMenuItem(id) {
    document.getElementById("lnk" + id).onclick();
}

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) {
		navigatie_01_over = newImage("images/nav/home-over.jpg");
		navigatie_02_over = newImage("images/nav/internetsoa-over.jpg");
		navigatie_03_over = newImage("images/nav/voorbehoedsmiddelen-over.jpg");
		navigatie_04_over = newImage("images/nav/internetsoatest-over.jpg");
		navigatie_05_over = newImage("images/nav/hulpnodig-over.jpg");
		navigatie_06_over = newImage("images/nav/colofon-over.jpg");
		preloadFlag = true;
	}
}

function CheckRequiredFields() {
var errormessage = new String();
// Put field checks below this point.

    if(NoneWithCheck(document.QuizForm.DoeDeTestchoice))
	    {
            window.alert("Je moet een antwoord selecteren voordat je verder kan gaan naar de volgende vraag!");
            return false; 
        }
        else{
            return true;
        }
}

function NoneWithCheck(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].checked) { return false; }
	}
return true;
}
/*	sIFR v2.0 RC4
	Copyright 2004 - 2005 Mike Davidson, Shaun Inman, Tomas Jogin and Mark Wubben

	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/

//<![CDATA[
/* Replacement calls. Please see documentation for more information. */

if(typeof sIFR == "function"){

// This is the preferred "named argument" syntax
	//sIFR.replaceElement(named({sSelector:"body h1", sFlashSrc:"css/fonts/vandenkeere.swf", sColor:"#000000", sLinkColor:"#000000", sBgColor:"#FFFFFF", sHoverColor:"#CCCCCC", nPaddingTop:20, nPaddingBottom:20, sFlashVars:"textalign=center&offsetTop=6"}));
   
   sIFR.replaceElement("span.MenuSifrLink", named({sFlashSrc:"css/fonts/cooperblack.swf", sColor:"#145c86", sLinkColor:"#145c86",  sHoverColor:"#f6c7a9", sWmode:"transparent"}));
   sIFR.replaceElement("span.StandardSifrHeader", named({sFlashSrc: "css/fonts/cooperblack.swf", sColor: "#145c86", sWmode: "transparent"}));
   sIFR.replaceElement("span.StandardSifrHeaderMedium", named({sFlashSrc: "css/fonts/cooperblack.swf", sColor: "#145c86", sWmode: "transparent"}));
   sIFR.replaceElement("span.StandardSifrHeaderSmall", named({sFlashSrc: "css/fonts/avenirbook.swf", sColor: "#ec8e51", sWmode: "transparent"}));
   
	
};

//]]>