$(document).ready(function() {
	var index = 0;
	var elements = $("#partner ul");
	setInterval(toogle, 8000);
	
	function next()	{
		if (index<(elements.length-1)){
			index+=1 ; 
		}
		else {
			index=0
		}
	}
	
	function toogle()	{
		$("#partner" + index).fadeOut('slow', function() {
			next();
			$("#partner" + index).fadeIn('slow');
		});
	}
});