(function($){    
	$.fn.slidej = function(options){        
		var defaults = {//榛樿灞炴€?
			width:$(this).width(),
			height:$(this).height(),
			nav:".slidenav",
			leftbtn:".slideleft",
			rightbtn:".slideright",
			speed:200,
			time:4000,
			type:"opacity"
		}
		var options = $.extend(defaults,options);//鍙傛暟鍚堝苟
		
		var sildeelem = $(this),//婊戝姩妯″潡
			slidecl = sildeelem.find("li"),
			slidenavcl = $(options.nav).find("a"),
			total = slidecl.size(),//鍥剧墖鏁伴噺
			nownum = 1,
			active = false;
		if(total<=1){return;}//鏁伴噺灏忎簬绛変簬1涓嶅仛鎿嶄綔
		
		//鏁翠綋css璁剧疆
		$(this).css({
			"position":"relative",
			"height":options.height,
			"width":options.width
		});
		
		
		//鍙栨秷a鏍囩铏氱嚎妗?
		var ahidefocus = options.nav+" a"+","+options.leftbtn+" a,"+options.rightbtn+" a,"+options.leftbtn+","+options.rightbtn;
		$(ahidefocus).attr("hidefocus","hidefocus");
		
		
		this.each(function(){//鍒嗗彂杞崲鏁堟灉
			switch(options.type){
				case "opacity":
					opacityanimatej(options);
				break;
				case "slide":
					slideanimatej(options);
				break;
				default:
				break;
			};
		});
		
		//------------娣″叆娣″嚭----------------------
		function opacityanimatej(){
			$(sildeelem).find("ul").css({
				position:"relative",
				height:options.height,
				width:options.width,
				overflow:"hidden"
			});
			slidecl.css({
				position:"absolute"
			});
			
			slidenavcl.eq(0).addclass("selected");
			slidecl.css({opacity:0,"z-index":"0"});
			slidecl.eq(0).css({opacity:1,"z-index":"1"});
			var interval = setinterval(checknum,options.time);
			slidenavcl.each(function(index){
				$(this).click(function(){
					if(active==true){
						return;
					}
					nownum = index;
					checknum();
					clearinterval(interval);
					interval = setinterval(checknum,options.time);
				});					
			});
			$(options.rightbtn).click(function(){
				if(active==true){
					return;
				}
				clearinterval(interval);
				checknum();
				interval = setinterval(checknum,options.time);
			});
			$(options.leftbtn).click(function(){
				if(active==true){
					return;
				}
				clearinterval(interval);
				
				var nx = nownum-2;
				var cx=0;
				if(nx==-1){
					nx = total-1;
					cx = 0;
				}else if(nx==-2){
					nx = total-2;
					cx = total-1;
				}else{
					cx=nx+1;
				}
				toggle_scroll(nx);
				nownum = cx;
				
				interval = setinterval(checknum,options.time);
			});
			
			function checknum(){
				if(nownum<total-1){
					toggle_scroll();
					nownum++;
				}else{
					toggle_scroll();
					nownum=0;
				}
			}
			function toggle_scroll(n){
				active = true;
				if(n!=null){
					nownum = n;
				}
				slidecl.css({"z-index":"0"});
				
				sildeelem.find("li.selected").css({"z-index":1});
				
				slidecl.eq(nownum).css({"z-index":"2",opacity:0});
				//slidecl.animate({opacity:0},options.speed);
				slidecl.eq(nownum).animate({opacity:1},options.speed,function(){active = false});
				
				slidenavcl.removeclass("selected");
				slidenavcl.eq(nownum).addclass("selected");
				
				slidecl.removeclass("selected");
				slidecl.eq(nownum).addclass("selected");
				
				
			}
		}
		//------------宸﹀彸婊戝姩--------------------
		function slideanimatej(){
			
		}
	}  
})(jquery);