// JavaScript Document

(function($){

	$.fn.center = function(){
	
		var element = this;
		
		changeCss();
		
		$(element).load(function(){
		
			changeCss();
			
			$(window).bind("resize", function(){
				changeCss();
			});
			
			
		});
		
		function changeCss(){
			
			var imageHeight = $(element).height();
			var imageWidth = $(element).width();
			var windowWidth = $(window).width();
			var windowHeight = $(window).height();
		
			$(element).css({
				"position" : "absolute",
				"left" : windowWidth / 2 - imageWidth / 2,
				"top" : (windowHeight /2 - imageHeight / 2) + $("html").scrollTop()
			});
		};
	
	};

})(jQuery);