;(function($){
	$.fn.extend({
		"newsPic":function(){
			return this.each(function(){
				var $news_contain = $(this);
				var $news_edge = $news_contain.children(".news_edge");
				var $news_pic = $news_contain.children(".news_pic");
				var $small_img = $news_contain.children(".news_small");
				var $news_infor_lump = $news_contain.children(".news_infor").children(".news_infor_lump");
				var $news_infor = $news_contain.children(".news_infor").children(".news_infor_lump").children("span");
				var $news_pic_lump = $news_pic.children(".news_pic_lump");
				var $big_img = $news_pic.children(".news_pic_lump").find("img");
				var img_index = 0;
				
				$news_edge.css({
					"border":"0px",
					"opacity":"0.5",
					"cursor":"pointer"
				});
				$small_img.css("opacity","0.5");
				$small_img.children("img").css({
					"width":"75px",
					"height":"94px",
					"cursor":"pointer"
				});
				
				var imgSlide = function(){
					if(img_index < 4){
						$news_pic_lump.css("left",(-(img_index*($news_pic_lump.width()/4)))+"px");
						$news_infor_lump.css("left",(-(img_index*($news_infor_lump.width()/4)))+"px");
						$small_img.css("opacity","0.5");
						$small_img.eq(img_index).css("opacity","1");
					}else{
						$news_pic_lump.css("left","0px");
						$news_infor_lump.css("left","0px");
						$small_img.css("opacity","0.5");
						$small_img.eq(0).css("opacity","1");
						img_index = 0;
					}
					img_index ++;
				}
				var clear_id = setInterval(imgSlide,3000);
				$news_edge.mouseover(function(){
					clearInterval(clear_id);
				}).mouseout(function(){
					clear_id = setInterval(imgSlide,3000);
				});
				
				$small_img.each(function(cur_num){
					$(this).mouseover(function(){
						$small_img.css("opacity","0.5");
						$(this).css("opacity","1");
						$news_pic_lump.css("left",(-(cur_num*($news_pic_lump.width()/4)))+"px");
						$news_infor_lump.css("left",(-(cur_num*($news_infor_lump.width()/4)))+"px");
						img_index = cur_num;
						clearInterval(clear_id);
					}).mouseout(function(){
						clear_id = setInterval(imgSlide,3000);
					});
				});
				$news_edge.click(function(){
					$href = $news_pic.children(".news_pic_lump").find("a:eq("+img_index+")").attr("href");
					if($href.indexOf('http://www.7alu.cn/')==-1){
						$href = 'http://localhost/' + $href;
					}
					window.open($href);
				});
				$small_img.eq(0).css("opacity","1");
			});
		}
	});
})(jQuery);