w33c = (document.getElementById)? true:false;
if (w33c) {
	nsb4 = false;
	ieb4 = false;
}
else if (!w33c) {
	nsb4 = (document.layers)? true:false;
	ieb4 = (document.all)? true:false;
}


if (w33c || ieb4 || nsb4) 	browserOK = true;


function con() {
        if(!confirm("Verwijderen?"))
			return false;
		return true;
}


function showLayer(id){
	if (w33c) document.getElementById(id).style.visibility = "visible";
	else if (ieb4) document.all[id].style.visibility = "visible";
}

function hideLayer(id) {      
        if (w33c) document.getElementById(id).style.visibility = "hidden";
		else if (ieb4) document.all[id].style.visibility = "hidden";
}

function popup(url,w1,h1, set) {
    if(set)
        settings = "toolbar=0,scrollbars=1,location=no,statusbar=no,status=no,menubar=0,resizable=yes,directories=no,width="+w1+",height="+h1;
    else
        settings = "toolbar=0,scrollbars=0,location=no,statusbar=no,status=no,menubar=0,resizable=no,directories=no,width="+w1+",height="+h1;

    testwindow= window.open (url, "Handelsgids",settings);
    testwindow.moveTo(0,0);
}


function changeClass (identity,name) {
		document.getElementById(identity).className= name;
}

function changeClasses (identity,name,identity2,name2) {
		document.getElementById(identity).className= name;
		if(identity2)
			document.getElementById(identity2).className= name2;
}


function setFavorite(url,desc) {
	if ( navigator.appName != 'Microsoft Internet Explorer' ) { 
		window.sidebar.addPanel(desc,url,""); }
	else { 
		window.external.AddFavorite(url,desc); 
	} 

}
function setTall() {
	
	if (document.getElementById) {
		var divs = new Array(document.getElementById('left'), document.getElementById('content'));
	
		maxHeight = document.getElementById('content').offsetHeight;
		document.getElementById('left').style.height = maxHeight + 'px';
	}


}

window.onload = function() {
	setTall();
}

window.onresize = function() {
	setTall();
}