document.observe('dom:loaded', function() { 
	$('search-choices').select('a').each(function(n) {
		n.observe('click', changetab);
		n.observe('mouseover', hovertab);
		n.observe('mouseout', unhovertab);		
	});
});

function changetab(event) {
	var anchorClicked = event.element(event);
	var activeTabContent = anchorClicked.readAttribute('rel')

	if (activeTabContent != "external")
	{
		Event.stop(event);	
		
		$('search-choices').select('div').each(function(n) {
			n.removeClassName('active-tab');
		});	
		anchorClicked.up().addClassName('active-tab');
	
		$$('.tab-content').each(function(n) {
			n.removeClassName('active-tab-content');
		});
	
		$(activeTabContent).addClassName('active-tab-content')
	}
}

function hovertab(event) {
	var hoveredTab = event.element(event);
	hoveredTab.up().addClassName('hover-tab');
}

function unhovertab(event) {
	var hoveredTab = event.element(event);
	hoveredTab.up().removeClassName('hover-tab');
}