function swapIndexPic(obj){
				var nextTarget ;				//判断是否为最后一个元素
				if(obj.next(".boardItemNormal").attr("pic") == null){
					
					nextTarget = $(".boardBox .boardItem:first-child");
					
				}else{
				
					nextTarget =  obj.next(".boardItemNormal");
					
				}
				
				var pid = $(this).attr("pid");
				$(".boardItemActive").removeClass("boardItemActive").addClass("boardItemNormal");	
				obj.addClass("boardItemActive");	
				$(".ThemePic").attr("src",obj.attr("pic"));
				$(".TitlePic").attr("src",obj.attr("titlepic"));
				$(".ThemePic").attr("title",obj.attr("title"));
				$(".ThemeLink").attr("href",obj.attr("link"));	
				$(".ThemeUserID").attr("href",obj.attr("/home/"+obj.attr("UserID")+"/"));	
				
				var width = $(".ThemeLink_1 > img").width();
				var left  = "-"+width+"px";
				var right = width+"px";
				var center  =  "0px";
				var nowSort  = $(".boardItem").index(obj);
				var nextSort  = $(".boardItem").index(nextTarget);
				
				return nextTarget;
	}
	
	

	
	$(function(){
			
			loopTime = 5000;
			var nowItem = $(".boardItemActive").next();
			var loop    =  setInterval(function(){
				nowItem = swapIndexPic(nowItem);					
					 },loopTime);	

			$(".boardItem").click(function(){
				swapIndexPic($(this));		
				nowItem = $(this);
			},function(){ 
				nowItem = swapIndexPic(nowItem);
			    loop    =  setInterval(function(){
				nowItem = swapIndexPic(nowItem);					
					 },loopTime);
			})
			

			var countPic = 1;	
		$(".activePic").each(function(){
			$(".scrollPicUL").append("<div class='scrollPicItem' title='"+$(this).attr("title")+"'></div>");				
						})
			
			$(".scrollPicUL > .scrollPicItem").hover(function(){
										  
				showScrollPic($(this));
				
				countPic = $(".scrollPicUL > .scrollPicItem").index($(this))+1;		
												  })
			
		$(".scrollPicUL > .scrollPicItem:first").addClass("active");
	
			var activePicStart = setInterval(function(){
					if(countPic >= $(".scrollPicUL > .scrollPicItem").length) countPic = 0;
					showScrollPic($(".scrollPicUL > .scrollPicItem:eq("+countPic+")"));
					countPic ++;							  
				},loopTime);
		
		
	  });
	
	function showScrollPic(obj){
		$(".scrollPicUL > .active").removeClass("active");								  
				obj.addClass("active");		
				var index = $(".scrollPicUL > .scrollPicItem").index(obj);
				$(".activePic").hide();
				$(".activePic:eq("+index+")").fadeIn();	
	}