sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function popUp(url)
{
var newwindow;
	newwindow=window.open(url,'name','height=620,width=820,scrollbars=yes');
	if (window.focus) {newwindow.focus()}
}
function doSearch() {
	var searchstring = document.getElementById('zoeken').value;
	location.href = "/zoeken/"+searchstring+"/";
}	
function handleKeyPress(e){
	var key=e.keyCode || e.which;
	if (key==13){
		var searchstring = document.getElementById('zoeken').value;
		location.href = "/zoeken/"+searchstring+"/";
	}
}