;(function($){
	$.fn.extend({
		"foodPic":function(){
			return this.each(function(){
				var $contain = $(this);
				var $img_lump = $contain.find(".food_img_lump");
				var $img_infor = $contain.find(".food_img_infor");
				var $button = $contain.find(".button_ele");
				var img_index = 0;
				
				var imgSlide = function(){
					if(img_index < 4){
						$img_lump.css("left",(-img_index*(parseInt($img_lump.width())/4))+"px");
						$img_infor.css("left",(-img_index*(parseInt($img_infor.width())/4))+"px");
						$button.css("background","#333");
						$button.eq(img_index).css("background","#990000");
					}else{
						$img_lump.css("left","0px");
						$img_infor.css("left","0px");
						$button.css("background","#333");
						$button.eq(0).css("background","#990000");
						img_index = 0;
					}
					img_index ++;
				}
				
				$button.each(function(cur_num){
					$(this).mouseover(function(){
						$button.css("background","#333");
						$(this).css("background","#990000");
						$img_lump.css("left",(-cur_num*(parseInt($img_lump.width())/4))+"px");
						$img_infor.css("left",(-cur_num*(parseInt($img_infor.width())/4))+"px");
						img_index = cur_num;
						clearInterval(clear_id);
					}).mouseout(function(){
						clear_id = setInterval(imgSlide,3000);
					});
				});
				
				imgSlide();
				var clear_id = setInterval(imgSlide,3000);
			});
		}
	});
})(jQuery);