var loader = new YAHOO.util.YUILoader({
	base: "/library/yui/",
	require: ["dom"]
	});
loader.insert();
function showorhidesearch(id, buttonid) {
	var el = document.getElementById(id);
	var button = document.getElementById(buttonid);
	if (!YAHOO.util.Dom.hasClass(el, "onzichtbaar")) {
		YAHOO.util.Dom.addClass(el, "onzichtbaar");
		YAHOO.util.Dom.removeClass(button, "actief");
	} else {
		YAHOO.util.Dom.removeClass(el, "onzichtbaar");
		YAHOO.util.Dom.addClass(button, "actief");
	}
}
function toonhelp(img) {
	img.parentNode.parentNode.getElementsByTagName("div")[0].style.display = "block";
	img.style.display = "none";
	img.parentNode.getElementsByTagName("img")[1].style.display = "block";
}
function sluithelp(img) {
	img.parentNode.parentNode.getElementsByTagName("div")[0].style.display = "none";
	img.style.display = "none";
	img.parentNode.getElementsByTagName("img")[0].style.display = "block";
}