function switchToTab( ref ){
	for( var tab = 1; tab<=7; tab++ ){
		var tabRef = $('tab'+tab);
		tabRef.style.backgroundImage = 'url(/themes/default/Views/Images/Tabs/' +tab +'_0.png)';
		tabRef.style.zIndex = '0';
		$('tab' +tab +'Info').style.display = 'none';
	}
	
	ref.style.backgroundImage = 'url(/themes/default/Views/Images/Tabs/' +ref.id.replace('tab', '') +'_1.png)';
	ref.style.zIndex = '1';
	$(ref.id +'Info').style.display = 'block';
	
	$$("#left div")[1].style.height = $$("#right div")[0].offsetHeight -40 +'px';
}