function show(menuID) {
	document.getElementById(menuID).style.display = "inline";
}

function goTo(strURL) {
	if(strURL != "") {
		document.location.href = strURL;
	}
}

function hide(menuID) {
	document.getElementById(menuID).style.display = "none";
}

try {
	document.addEventListener('click', handleClick, false);
} catch(e) {
	if(document.attachEvent) {
		document.attachEvent('onclick', handleClick);
	} else {
		document.onclick = handleClick;
	}
}

function handleClick(e) {
	var event = e || window.event;
	if(event.which && event.which != 1) return true;
	target = event.target || event.srcElement;
	if (document.getElementById('selected')!= null) {
		if (document.getElementById('selected').getElementsByTagName('ul') != null) {
			var item = document.getElementById('selected').getElementsByTagName('ul');
			for(var i=0;i<item.length;i++){
				item[i].style.display = 'none';
			}
		}
	}
	if(!target) {
		return true;
	}
	if (target.id == 'selected' || target.parentNode.id == 'selected') {
		document.getElementById('selected').id = '';
	} else {
		if (target.className == 'selectable' || target.className == 'selectable over') {
			if (document.getElementById('selected')) {
				document.getElementById('selected').id = '';
			}
			target.id = 'selected';
		}
		if (target.parentNode.className == 'selectable' || target.parentNode.className == 'selectable over') {
			if (document.getElementById('selected')) { // haal huidige geselecteerde op
				document.getElementById('selected').id = '';
			}
			target.parentNode.id = 'selected';
		}
		// zet de display van de submenu's op none
	}
	if (document.getElementById('selected')!= null) {
		if (document.getElementById('selected').getElementsByTagName('ul') != null) {
			var item = document.getElementById('selected').getElementsByTagName('ul');
			for(var i=0;i<item.length;i++){
				item[i].style.display = 'block';
			}
		}
	}
	return true;
}