;(function($){
	$.fn.jccontact = function(options) {
		var defaults = {
            speed:600,                   //璁剧疆鍔ㄧ敾鏃堕棿锛坢m锛?
			position:'top',           //澶栧眰妗嗘灦鍨傜洿浣嶇疆锛屾彁渚?top","center","bottom"
			posoffsety : 0,              //寰皟璁剧疆澶栧眰妗嗘灦鍨傜洿浣嶇疆
			btnposition : 'top',      //鎸夐挳鍨傜洿浣嶇疆锛屾彁渚?top","center","bottom"
			btnposoffsety : 90 ,          //寰皟璁剧疆鎸夐挳鍨傜洿浣嶇疆
			float:'left',                //妗嗘灦浣嶇疆锛屾彁渚?left","right"
			event : "mouseover"              //璁剧疆灞曞紑妗嗘灦浜嬩欢锛屾彁渚?mouseover","lick"
		};
		var options = $.extend(defaults,options);
		return this.each(function() {
			$("body").css("overflow-x","hidden");
			var $this = $(this),
			    _self = this,
				wraptop = 0,
				btmtop = 0,
				_width = 0,
				$window = $(window),
				winwidth = $window.width(),
				winheight = $window.height(),
				$con = $this.children(":eq(0)"),
				nconwidth = $con.width(),
				nconheight = $con.height(),
				$btn = $this.children(":eq(1)"),
				nbtnwidth = $btn.width(),
				nbtnheight = $btn.height(),
				//鏂板缓鍙傛暟绫?
				fnmode = function(){
					this.left = setwrappos;
					this.right = setwrappos;
					this.top = setwraptop;
					this.center = setwraptop;
					this.bottom = setwraptop;
					this.btntop = setbtntop;
					this.btncenter = setbtntop;
					this.btnbottom = setbtntop;
				};
			fnmode.prototype.mode = function(mode,btnpos,wrappos){
				this[mode](mode);
				this[wrappos](wrappos);
				this[btnpos](btnpos);
			};
			//鍒濆鍖栦綅缃?
			var o = new fnmode,
			    speed = math.round(options.speed*0.5);
			o.mode(options.float,"btn"+options.btnposition,options.position);
			//婊氬姩浜嬩欢
			$(window).scroll(function(){
				var nscrolltop = $(this).scrolltop();
				setanimate(nscrolltop,setwraptop);
			});
			$btn.bind(options.event,function(e){
				var obool = null;
				if(options.float == "left"){
					_width = 0;
					obool = parseint($this.css("left")) < _width;
				} else if(options.float == "right"){
					_width = winwidth - nconwidth;
					obool = parseint($this.css("left")) > _width;
				};
				if(obool){
					$this.animate({"left": _width},speed);
				};
			})
			$this.bind("mouseleave",function(){
				if(options.float == "left"){
					_width = -nconwidth;
				} else if(options.float == "right"){
					_width = winwidth;
				};
				$this.animate({"left": _width},speed);
			});
			//鍔熻兘鏂规硶
			function setbtntop(pos){
				var setpos;
				if(pos == "btntop"){
					setpos = 0;
				} else if(pos == "btncenter") {
					setpos = (nconheight-nbtnheight)/2;
				} if(pos == "btnbottom") {
					setpos = nconheight-nbtnheight;
				};
				btmtop = setpos+options.btnposoffsety;
				$btn.css("top",btmtop);
				return false;
			};
            function setwraptop(pos){
				var _st,setval;
				if(pos == "top"){
					_st = $(window).scrolltop();
					setval = 0;
				} else if(pos == "center") {
					_st = $(window).scrolltop();
					setval = (winheight-nconheight)/2;
				} else if(pos == "bottom") {
					_st = $(window).scrolltop();
					setval = winheight-nconheight;
				};
				setwraptop = setval + options.posoffsety;
				setanimate(_st,setwraptop);
				return false;
			};
			function setwrappos(spos){
				var wrapleft,btnleft;
				if(spos == "left"){
			        wrapleft = -nconwidth;
			        btnleft = nconwidth;
				} else if(spos == "right"){
			        wrapleft = winwidth;
			        btnleft =-nbtnwidth;
				};
				$btn.css("left",btnleft);
				$this.css("left",wrapleft).show();
				return false;
			};
			function setanimate(st,val){
				$this.stop().animate({"top":val+st},options.speed);
				return false;
			};
			//www.sucaijiayuan.com
			return false;
		});
	};
})(jquery)