var menu;
	
document.observe("dom:loaded", function(){
	menu = new Menu('root', 'menu', {closeDelayTime:300,menuOpenEvent:'mouseover',menuCloseEvent:'mouseout',quickCollapse: false });
	
	//tabbladden snelzoeken koop en huur wisselen
		$$('div#tab_zoeken_koop').each(function(e){
			e.observe('click', function() {
				chageSnelzoekenTab(1);
			});
		});
				
				
		$$('div#tab_zoeken_huur').each(function(e){
			e.observe('click', function() {
				chageSnelzoekenTab(2);
			});
		});
	});


function chageSnelzoekenTab(nr){
	t1 = document.getElementById('tab_zoeken_koop');
	t2 = document.getElementById('tab_zoeken_huur');
	f1 = document.getElementById('zoekform_koop');
	f2 = document.getElementById('zoekform_huur');
	if (nr == '1') {
		//change to active tab koop
		t1.className = t1.className.replace("off","on"); 
		t2.className = t2.className.replace("on","off"); 
		f1.style.display ='block';
		f2.style.display ='none';	
	}
				
	else {
		//change to active tab huur
		t1.className = t1.className.replace("on","off"); 
		t2.className = t2.className.replace("off","on"); 
		f1.style.display ='none';	
		f2.style.display ='block';
	}
}