function Rotate(){
	var current = $('#news li:visible');
	var next = current.next().length ? current.next() : current.parent().children(':first'); 
	current.hide();
	next.show();
	setTimeout(Rotate, 5000);
} 

function slide(navigation_id, pad_out, pad_in, time, multiplier) {
	// creates the target paths
	var list_elements = navigation_id + " li";
	var link_elements = list_elements + " a";
	
	// initiates the timer used for the sliding animation
	var timer = 0;
	
	// creates the slide animation for all list elements 
	$(list_elements).each(function(i)
	{
		// margin left = - ([width of element] + [total vertical padding of element])
		$(this).css("margin-left","-180px");
		// updates timer
		timer = (timer*multiplier + time);
		$(this).animate({ marginLeft: "0" }, timer);
		$(this).animate({ marginLeft: "15px" }, timer);
		$(this).animate({ marginLeft: "0" }, timer);
	});

	// creates the hover-slide effect for all link elements 		
	$(link_elements).each(function(i)
	{
		$(this).hover(
		function()
		{
			$(this).animate({ paddingLeft: pad_out }, {queue:false, duration:150});
		},		
		function()
		{
			$(this).animate({ paddingLeft: pad_in }, {queue:false, duration:150});
		});
	});
}
	
$(window).load(function() {
    $('#homeFade, #coursesFade').nivoSlider({
		pauseTime:8000									
	});
	
	$('#subjectselect').chained("#levelselect");
	
	$('#news li').hide();
	$('#news li:first').show(); 
	Rotate();
	
	$('#topNav').superfish();
	
	slide("#sliding-navigation", 25, 10, 150, .8);
	
	$(".prettyPhoto").prettyPhoto();

});