function render(tabs) {
	var i = 0;
	for (i; i < tabs.length; i++) {
			$('#' + tabs[i]).css({
				backgroundImage:'url(images/nav_bg.jpg)', 
				backgroundPosition:(0 == i ? 'center bottom' : 'center top'), 
				color:(0 == i ? '#FFF' : '#666') 
			});
	}
}