$(function(){
	$("#sponsors .next").bind("click", function(){
		var time = 1500;
		var width = 110;
		var count = $("#sponsors_logos img").length;
		var left  = -1 * $("#sponsors_logos").position().left / 110;
		
		var scroll = 8;
		if(count - left - scroll < scroll)
			scroll = count - left - scroll;
	
		time *= scroll / 8;
		
		$("#sponsors_logos").stop(true);	
		if(scroll > 0)
			$("#sponsors_logos").animate({left: "-=" + (scroll * width) + "px"}, time, 'linear');
	});
	
	$("#sponsors .prev").bind("click", function(){
		var time = 1500;
		var width = 110;
		var count = $("#sponsors_logos img").length;
		var left  = -1 * $("#sponsors_logos").position().left / 110;
		
		var scroll = 8;
		if(left < scroll)
			scroll = left;
		
		time *= scroll / 8;
		
		$("#sponsors_logos").stop(true);
		if(scroll > 0)
			$("#sponsors_logos").animate({left: "+=" + (scroll * width) + "px"}, time, 'linear');
	});
});