jQuery.fn.skim = function() { 
	return this.each(function() 
	{
		var container = $(this);
		var imgHeight = container.find("li").find("img").height();
		var imgWidth = container.find("li").find("img").width();
		var numImgs = container.find("li").size();
		var zoneWidth = imgWidth / numImgs;
		
		container.css("overflow", "hidden");
		container.css("width", imgWidth);
		container.find("ul").css("float", "left");
		container.find("ul").css("width", imgWidth);
		container.find("ul").css("height", imgHeight);
		container.find("ul li").css("float", "left");
		container.find("ul li").css("display", "none");
		
		container.find("ul li").css("background-position", "top");
		
		container.find("ul li:first").css("display", "block"); 
		container.find("ul li:first").css("float", "left"); 
		container.find("ul").mousemove(function(e) 
		
		{ 
			var offset = container.offset(); x = e.pageX - offset.left; 
			var currentZone = Math.floor(x / zoneWidth); 
			$(this).find("li").css("display", "none"); 
			$(this).find("li:eq(" + currentZone + ")").css("display", "block"); 
		});
	});
}