/* jquery - jcdate v1.0 */
;(function($){
	$.fn.jcdate = function(options) {
		var defaults = {
			icoclass : "jcdateico",
			event : "click",
			speed : 100,
			left : 0,
			top : 22,
			format : "/",
			timeout : 100
		};
		var options = $.extend(defaults,options);
		return this.each(function() {
			if($("#jcdate").length == 0){
				$("body").prepend("<div id='jcdate'><input type='hidden' value='' id='datehidetext' /><div id='jcdatett'><a id='d_prev'></a><div><span></span><b>年</b><samp></samp><b>月</b></div><a id='d_next'></a></div><dl id='jcyeas'></dl><dl id='jcmonth'></dl><div id='jcdaywrap'><dl id='jcdaycon'></dl><div id='jcdatemax'><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul></div><div id='jcdatebtn'><samp>今天</samp><span>清空</span><a id='d_sub'>确定</a><div id='jctimewrap'><input type='text' value='' /><label>:</label><input type='text' value='' /></div></div></div></div>");
			};
		
            var $dateinput = $(this),
			     $window = $(window),
			     dateobj = new date(),
				 $jcdate = $("#jcdate"),
				 inputoffleft = $(this).offset().left,
				 inputofftop = $(this).offset().top,
				 $year = $("#jcdatett").find("span"),
				 $month = $("#jcdatett").find("samp"),
				 $b = $("#jcdatett").find("b"),
				 $jcdatemax = $("#jcdatemax"),
				 $weekframe = $("#jcdaycon"),
				 $datebtn = $("#jcdatebtn"),
				 $jcyeas = $("#jcyeas"),
				 $jcmonth = $("#jcmonth"),
				 $now = $datebtn.find("samp"),
				 $clear = $datebtn.find("span"),
				 $jcdaywrap = $("#jcdaywrap"),
				 $dayframe = $jcdaywrap.find("ul"),
				 $submit = $datebtn.find("a#d_sub"),
				 $hiddentext = $("input#datehidetext"),
				 $jctimewrap = $("#jctimewrap"),
				 $hh = $jctimewrap.find("input:eq(0)"),
				 $mm = $jctimewrap.find("input:eq(1)"),
				 $d_prev = $("#d_prev"),
				 $d_next = $("#d_next"),
				 // 获取当前时间
				 _year = parseint(dateobj.getfullyear()),
				 _month = dateobj.getmonth() + 1,
				 _date = dateobj.getdate(),
				 week = dateobj.getday(),
				 days = [ "日","一 ","二 ","三 ","四 ","五 ","六 "],
				 _day = days[week],
				 _hours = dateobj.gethours(),
				 _minutes = dateobj.getminutes(),
				 weekdl = "",
				 yeardl = "<dd class='visited'>"+_year+"年"+"</dd>",
				 monthdl = "",
				 $ul = "",
				 _idx = 0,
				 definfo = "",
				 getdatecount = function(y, m){
			    	 return [31, y % 4 == 0 && y % 100 != 0  || y % 400 == 0 ? 29 : 28 ,31,30,31,30,31,31,30,31,30,31][ m+1 ];
				 };
			// 赋值数据 
			$hh.val("00");
			$mm.val("00");
			for(var w = 0 in days) {
				weekdl = weekdl + "<dt>" + days[w] + "</dt>";
			};
			$weekframe.html(weekdl);
			var nowy = _year,
				yarr = new array(),
				marr = new array();
			for(var lys = 0; lys < 9 ; lys++ ){
				lastyear = nowy - (lys+1);
				yarr.push("<dt>"+lastyear+"年"+"</dt>")
			};
		    yarr.reverse();
			var dtf = ysarr(yarr);
            yarr.length = 0;
			for(var fys = 0; fys < 8 ; fys++ ){
				firstyear = nowy + (fys+1);
				yarr.push("<dt>"+firstyear+"年"+"</dt>")
			};
			var dtl = ysarr(yarr);
			$jcyeas.html(dtf+yeardl+dtl);
			function ysarr(arr){
				var $dts = "";
				for(var index = 0 in arr){
					$dts = $dts + arr[index];
				};
				return $dts
			};
			for(var ms = 1; ms <= 12; ms++ ){
				if(ms == _month){
					marr.push("<dt class='visited'>" + ms + "月" +"</dt>");
				} else {
					marr.push("<dt>" + ms + "月" +"</dt>");
				};
			};
			for(var ma = 0 in marr){
				monthdl += marr[ma];
			};
			$jcmonth.html(monthdl)
			function shfade(show,hide,hide2,bool,index){
				var fadespeed = options.speed;
				hide.fadeout(fadespeed);
				hide2.fadeout(fadespeed);
				show.delay(fadespeed*2).fadein(fadespeed);
				if(bool){
					$("#d_prev,#d_next").fadeout(fadespeed);
					$b.eq(index).hide();
				} else {
					$("#d_prev,#d_next").fadein(fadespeed);
					$b.show();
					$year.show();
					$month.show();
				};
			};
			$year.die().live("click",function(){
				$(this).addclass("visited").next("samp").removeclass("visited");
				shfade($jcyeas,$jcdaywrap,$jcmonth,true,1);
				$year.show();
				$month.hide();
			});
			$("#jcyeas dd,#jcyeas dt").die().live("click",function(){
				var y = parseint($(this).text());
				traversal(y);
				$year.text(y);
				shfade($jcdaywrap,$jcyeas,$jcmonth,false);
			});
			$month.die().live("click",function(){
                $(this).addclass("visited").prev().removeclass("visited");
				shfade($jcmonth,$jcdaywrap,$jcyeas,true,0);	
				$month.show();
				$year.hide();
			});
			$jcmonth.find("dt").die().live("click",function(){
				var m = parseint($(this).text());
				manimate(m-1);
				$month.text(m);
				shfade($jcdaywrap,$jcyeas,$jcmonth,false);
			});
			function traversal(ty){
				$year.text(ty);
				for(var m = 0; m < $dayframe.length; m++){
					var dayli = "",
						$fli = "",
						$lli = "",
						firstli = "",
						lastday = 0,
						yearweek = new date(ty,m,1).getday();
					getdatecount(ty,m-2) == undefined ? fristday = 31 : fristday = getdatecount(ty,m-2);
					for(var d = 1; d <= getdatecount(ty,m-1); d++){
						dayli = dayli + "<li class='jcdatecolor'>"+ d +"</li>";
					};
					for(var f = 0 ; f < yearweek; f++){
						firstli += "<li>"+ fristday +"</li>,";
						fristday--;
					};
					for(var l = 0 ; l <= 42-(d+yearweek); l++ ){
						lastday = l + 1;
						$lli += "<li>"+lastday+"</li>";
					};
					fliarr = firstli.split(",").reverse();
					for(var arr = 0 in fliarr){
						$fli += fliarr[arr];
					};
					$addli = $fli + dayli + $lli;
					$dayframe.eq(m).html($addli);
					
				};
			};
			manimate(_month-1);
			//功能方法
			$d_prev.die().live("click",function(){
				_idx = $dayframe.filter(".datev").index();
            	if( _idx > 0){
					_idx --;
				} else {
					var _tyear = parseint($year.text());
					_tyear--;
					traversal(_tyear);
					_idx = $dayframe.length-1;
				};
				manimate(_idx);
			});
			$d_next.die().live("click",function(){
				_idx = $dayframe.filter(".datev").index();
            	if( _idx < $dayframe.length-1){
					_idx ++;
				} else {
					var _tyear = parseint($year.text());
					_tyear++;
					traversal(_tyear);
					_idx = 0;
				};
				manimate(_idx);		
			});
			function manimate(index){
				$dayframe.eq(index).addclass("datev").siblings().removeclass("datev");
				$month.text(index+1);
				$jcdatemax.animate({ "left":-index*256 },options.speed);
			};
			function today(y,m,d){
				$year.text(y);
				$month.text(m);
				traversal(y);
				$.each($dayframe.eq(m-1).find("li"),function(){
					if($(this).hasclass("jcdatecolor")){
						$dayframe.eq(m-1).find("li.jcdatecolor").eq(d-1).addclass("visited");
					};
				});
				$hiddentext.val(_date);
                $dayframe.eq(m-1).find("li").text();
				manimate(m-1);
			};
			function clearvisited(){
				$.each($("li.jcdatecolor",$dayframe),function(){
					if($(this).hasclass("visited")){
						$(this).removeclass("visited");
					};										  
				});
			};
			today(_year,_month,_date);
			$dayframe.undelegate("li.jcdatecolor","click").delegate("li.jcdatecolor","click",function(){
				clearvisited();
				$(this).addclass("visited");
				$hiddentext.val(parseint($(this).text()))
			});
			$dayframe.undelegate("li.jcdatecolor","dblclick").delegate("li.jcdatecolor","click",function(){
				submitdate();
			});
			$now.die().live("click",function(){
				today(_year,_month,_date);				 
			});
			$clear.die().live("click",function(){
				$("input.datevisited").val("");
			});
			$submit.die().live("click",function(){
				submitdate();
			});
			function submitdate(){
				var sy = $year.text(),
				    sm = $month.text(),
					sd = $hiddentext.val();
				nowdatearr = new array(sy,sm,sd);
				dateinfo =nowdatearr.join(options.format);
				if($hh.val() != "00" || $mm.val() != "00" ){
					var sh = $hh.val(),
					    sm = $mm.val();
					nowdatearr.push(sh+":"+sm);
					printdate = nowdatearr.join(options.format).substring(),
					format = printdate.split("/");
					dateinfo = format[0]+options.format+format[1]+options.format+format[2]+" "+format[3];
				};
				$("input.datevisited").val(dateinfo);
				closedate();
			};
			$dateinput.addclass(options.icoclass)
			          //.val(definfo)
			          .die()
					  .live(options.event,function(e){
						  $(this).addclass("datevisited");
						  //$jcdate.css({ "left" : e.pagex+(options.left),"top" : e.pagey+(options.top) });
						  var iof = $(this).offset();
						  $jcdate.css({ "left" : iof.left+options.left,"top" : iof.top+options.top });
					      $jcdate.show(options.speed);
						  $jcdaywrap.show();
						  $jcyeas.hide();
						  $jcmonth.hide();
						  $("#d_prev,#d_next").show();
					      $year.show();
					      $month.show();
						  $b.show();
					  });
			$jcdate.die().live("mouseleave",function(){
                settimeout(closedate,options.timeout);
			});
			function closedate(){
				$("input.datevisited").removeclass("datevisited");
				$jcdate.hide(options.speed);
			};
		});
	};
})(jquery)