var container;
		var links;
		var controlContainer;
		var controlers;
		var picInfo;
		var timeInterval = 3000;
		var length;
		var curFlag;
		var defaultStyle = "default";
		var selectedStyle = "selected";
		
		innerSwitch("container");
		//autoSwitch();
		
		function innerSwitch(id) {
			var containerId = "#" + id;
			container = $(containerId);
			
			controlContainer = $(container.children("div")[0]);
			picInfo = $(container.children("span")[0]);
			links = container.children("a");
			length = links.length;
			
			$(links[0]).children("img").animate({ opacity: 'show' }, "slow");
			$(picInfo).html($(links[0]).children("img").attr("alt"));
			curFlag = 0;
			
			for(var m = 0; m < length; m ++) {
				var controler = $("<div></div>");
				controler.html((m + 1) + "");
				controler.attr("rel",m);
				controler.attr("class",defaultStyle);
				
				controler.mousedown(
					function() {
						curFlag = $(this).attr("rel");
						setStyle(curFlag);
					}
				)
				
				controlContainer.append(controler);
				controlers = controlContainer.children("div");
			}
		}
		
		function setStyle(flag) {
			$(picInfo).html($(links[flag]).children("img").attr("alt"));
			
			for(var i = 0; i < length; i ++) {
				
				if(flag == i) {
					$(links[i]).children("img").animate({ opacity: 'show' }, "slow");
					$(controlers[i]).attr("class",selectedStyle);
					continue;
				}
				
				$(links[i]).children("img").hide();
				$(controlers[i]).attr("class",defaultStyle);
			}
		}