var hhh =0;

function openForm() {
		if(hhh==0)
			{
				document.getElementById('advForm').style.display = 'block';
				document.getElementById('advText').innerHTML="Sluit geavanceerde zoekopties"

				hhh=1;
			}
		else{
				document.getElementById('advForm').style.display = 'none';
				document.getElementById('advText').innerHTML="Open geavanceerde zoekopties"

				hhh=0;
			}
	/*portal = document.getElementById('portal')
	portal1 = document.getElementById('portal1')
	portal2 = document.getElementById('portal2')
	portal3 = document.getElementById('portal3')*/
}

function showItem(obj) {
	if (obj && obj.style) {
		obj.style.position = "static"
		obj.style.visibility = "visible"
	}
}

function hideItem(obj) {
	if (obj && obj.style) {
		obj.style.position = "absolute"
		obj.style.visibility = "hidden"
	}
}

function hideAll() {
	hideItem(portal)
	hideItem(portal1)
	hideItem(portal2)
	hideItem(portal3)
}