/*

 * Date picker plugin for jQuery

 * http://kelvinluck.com/assets/jquery/datePicker

 *

 * Copyright (c) 2006 Kelvin Luck (kelvinluck.com)

 * Licensed under the MIT License:

 *   http://www.opensource.org/licenses/mit-license.php

 *

 * $LastChangedDate: 2007-09-22 14:56:10 +0100 (Sat, 22 Sep 2007) $

 * $Rev: 3436 $

 */

jQuery.datePicker=function(){if(window.console==undefined){window.console={log:function(){}}}var months=['January','February','March','April','May','June','July','August','September','October','November','December'];var days=['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];var navLinks={p:'Prev',n:'Next',c:'Close',b:'Choose date'};var dateFormat='dmy';var dateSeparator="/";var _drawingMonth=false;var _firstDayOfWeek;var _firstDate;var _lastDate;var _selectedDate;var _openCal;var _zeroPad=function(num){var s='0'+num;return s.substring(s.length-2)};var _strToDate=function(dIn){switch(dateFormat){case'ymd':dParts=dIn.split(dateSeparator);return new Date(dParts[0],Number(dParts[1])-1,dParts[2]);case'dmy':dParts=dIn.split(dateSeparator);return new Date(dParts[2],Number(dParts[1])-1,Number(dParts[0]));case'dmmy':dParts=dIn.split(dateSeparator);for(var m=0;m<12;m++){if(dParts[1].toLowerCase()==months[m].substr(0,3).toLowerCase()){return new Date(Number(dParts[2]),m,Number(dParts[0]))}}return undefined;case'mdy':default:var parts=parts?parts:[2,1,0];dParts=dIn.split(dateSeparator);return new Date(dParts[2],Number(dParts[0])-1,Number(dParts[1]))}};var _dateToStr=function(d){var dY=d.getFullYear();var dM=_zeroPad(d.getMonth()+1);var dD=_zeroPad(d.getDate());switch(dateFormat){case'ymd':return dY+dateSeparator+dM+dateSeparator+dD;case'dmy':return dD+dateSeparator+dM+dateSeparator+dY;case'dmmy':return dD+dateSeparator+months[d.getMonth()].substr(0,3)+dateSeparator+dY;case'mdy':default:return dM+dateSeparator+dD+dateSeparator+dY}};var _getCalendarDiv=function(dIn){var today=new Date();if(dIn==undefined){d=new Date(today.getFullYear(),today.getMonth(),1)}else{d=dIn;d.setDate(1)}if((d.getMonth()<_firstDate.getMonth()&&d.getFullYear()==_firstDate.getFullYear())||d.getFullYear()<_firstDate.getFullYear()){d=new Date(_firstDate.getFullYear(),_firstDate.getMonth(),1)}else if((d.getMonth()>_lastDate.getMonth()&&d.getFullYear()==_lastDate.getFullYear())||d.getFullYear()>_lastDate.getFullYear()){d=new Date(_lastDate.getFullYear(),_lastDate.getMonth(),1)}var jCalDiv=jQuery("<div></div>").attr('class','popup-calendar');var firstMonth=true;var firstDate=_firstDate.getDate();var prevLinkDiv='';if(!(d.getMonth()==_firstDate.getMonth()&&d.getFullYear()==_firstDate.getFullYear())){firstMonth=false;var lastMonth=d.getMonth()==0?new Date(d.getFullYear()-1,11,1):new Date(d.getFullYear(),d.getMonth()-1,1);var prevLink=jQuery("<a></a>").attr('href','javascript:;').html(navLinks.p).click(function(){jQuery.datePicker.changeMonth(lastMonth,this);return false});prevLinkDiv=jQuery("<div></div>").attr('class','link-prev').html('&lt;').append(prevLink)}var finalMonth=true;var lastDate=_lastDate.getDate();nextLinkDiv='';if(!(d.getMonth()==_lastDate.getMonth()&&d.getFullYear()==_lastDate.getFullYear())){finalMonth=false;var nextMonth=new Date(d.getFullYear(),d.getMonth()+1,1);var nextLink=jQuery("<a></a>").attr('href','javascript:;').html(navLinks.n).click(function(){jQuery.datePicker.changeMonth(nextMonth,this);return false});nextLinkDiv=jQuery("<div></div>").attr('class','link-next').html('&gt;').prepend(nextLink)}var closeLink=jQuery("<a></a>").attr('href','javascript:;').html(navLinks.c).click(function(){jQuery.datePicker.closeCalendar()});jCalDiv.append(jQuery("<div></div>").attr('class','link-close').append(closeLink),jQuery("<h3></h3>").html(months[d.getMonth()]+' '+d.getFullYear()));var headRow=jQuery("<tr></tr>");for(var i=_firstDayOfWeek;i<_firstDayOfWeek+7;i++){var weekday=i%7;var day=days[weekday];headRow.append(jQuery("<th></th>").attr({'scope':'col','abbr':day,'title':day,'class':(weekday==0||weekday==6?'weekend':'weekday')}).html(day.substr(0,1)))}var tBody=jQuery("<tbody></tbody>");var lastDay=(new Date(d.getFullYear(),d.getMonth()+1,0)).getDate();var curDay=_firstDayOfWeek-d.getDay();if(curDay>0)curDay-=7;var todayDate=(new Date()).getDate();var thisMonth=d.getMonth()==today.getMonth()&&d.getFullYear()==today.getFullYear();var w=0;while(w++<6&&curDay<lastDay){var thisRow=jQuery("<tr></tr>");for(var i=0;i<7;i++){var weekday=(_firstDayOfWeek+i)%7;var atts={'class':(weekday==0||weekday==6?'weekend ':'weekday ')};if(curDay<0||curDay>=lastDay){dayStr=' '}else if(firstMonth&&curDay<firstDate-1){dayStr=curDay+1;atts['class']+='inactive'}else if(finalMonth&&curDay>lastDate-1){dayStr=curDay+1;atts['class']+='inactive'}else{d.setDate(curDay+1);var dStr=_dateToStr(d);dayStr=jQuery("<a></a>").attr({'href':'javascript:;','rel':dStr}).html(curDay+1).click(function(e){jQuery.datePicker.selectDate(jQuery.attr(this,'rel'),this);return false})[0];if(_selectedDate&&_selectedDate==dStr){jQuery(dayStr).attr('class','selected')}}if(thisMonth&&curDay+1==todayDate){atts['class']+=' today'}thisRow.append(jQuery("<td></td>").attr(atts).append(dayStr));curDay++}tBody.append(thisRow)}jCalDiv.append(jQuery("<table></table>").attr('cellspacing',2).append("<thead></thead>").find("thead").append(headRow).parent().append(tBody.children())).append(prevLinkDiv).append(nextLinkDiv);if(jQuery.browser.msie){var iframe=['<iframe class="bgiframe" tabindex="-1" src="blank.html" ','style="display:block; position:absolute;','top: 0;','left:0;','z-index:-1; filter:Alpha(Opacity=\'0\');','width:3000px;','height:3000px"/>'].join('');jCalDiv.append(document.createElement(iframe))}jCalDiv.css({'display':'block'});return jCalDiv[0]};var _draw=function(c){jQuery('div.popup-calendar a',_openCal[0]).unbind();jQuery('div.popup-calendar',_openCal[0]).empty();jQuery('div.popup-calendar',_openCal[0]).remove();_openCal.append(c)};var _closeDatePicker=function(){jQuery('div.popup-calendar a',_openCal).unbind();jQuery('div.popup-calendar',_openCal).empty();jQuery('div.popup-calendar',_openCal).css({'display':'none'});jQuery(document).unbind('mousedown',_checkMouse);delete _openCal;_openCal=null};var _handleKeys=function(e){var key=e.keyCode?e.keyCode:(e.which?e.which:0);if(key==27){_closeDatePicker()}return false};var _checkMouse=function(e){if(!_drawingMonth){var target=jQuery.browser.msie?window.event.srcElement:e.target;var cp=jQuery(target).findClosestParent('div.popup-calendar-wrapper');if(cp.get(0).className!='date-picker-holder'){_closeDatePicker()}}};return{getChooseDateStr:function(){return navLinks.b},show:function(){if(_openCal){_closeDatePicker()}this.blur();var input=jQuery('input',jQuery(this).findClosestParent('input')[0])[0];_firstDate=input._startDate;_lastDate=input._endDate;_firstDayOfWeek=input._firstDayOfWeek;_openCal=jQuery(this).parent().find('>div.popup-calendar-wrapper');var d=jQuery(input).val();if(d!=''){if(_dateToStr(_strToDate(d))==d){_selectedDate=d;_draw(_getCalendarDiv(_strToDate(d)))}else{_selectedDate=false;_draw(_getCalendarDiv())}}else{_selectedDate=false;_draw(_getCalendarDiv())}jQuery(document).bind('mousedown',_checkMouse)},changeMonth:function(d,e){_drawingMonth=true;_draw(_getCalendarDiv(d));_drawingMonth=false},selectDate:function(d,ele){selectedDate=d;var $theInput=jQuery('input',jQuery(ele).findClosestParent('input')[0]);$theInput.val(d);$theInput.trigger('change');_closeDatePicker(ele)},closeCalendar:function(){_closeDatePicker(this)},setInited:function(i){i._inited=true},isInited:function(i){return i._inited!=undefined},setDateFormat:function(format,separator){dateFormat=format.toLowerCase();dateSeparator=separator?separator:"/"},setLanguageStrings:function(aDays,aMonths,aNavLinks){days=aDays;months=aMonths;navLinks=aNavLinks},setDateWindow:function(i,w){if(w==undefined)w={};if(w.startDate==undefined){i._startDate=new Date()}else{i._startDate=_strToDate(w.startDate)}if(w.endDate==undefined){i._endDate=new Date();i._endDate.setFullYear(i._endDate.getFullYear()+5)}else{i._endDate=_strToDate(w.endDate)};i._firstDayOfWeek=w.firstDayOfWeek==undefined?0:w.firstDayOfWeek}}}();jQuery.fn.findClosestParent=function(s){var ele=this;while(true){if(jQuery(s,ele[0]).length>0){return(ele)}ele=ele.parent();if(ele[0].length==0){return false}}};jQuery.fn.datePicker=function(a){this.each(function(){if(this.nodeName.toLowerCase()!='input')return;jQuery.datePicker.setDateWindow(this,a);if(!jQuery.datePicker.isInited(this)){var chooseDate=jQuery.datePicker.getChooseDateStr();var calBut;if(a&&a.inputClick){calBut=jQuery(this).attr('title',chooseDate).addClass('date-picker')}else{calBut=jQuery("<a></a>").attr({'href':'javascript:;','class':'date-picker','title':chooseDate}).append("<span>"+chooseDate+"</span>")}jQuery(this).wrap('<div class="date-picker-holder"></div>').after(jQuery('<div></div>').attr('class','popup-calendar-wrapper').append(jQuery("<div></div>").attr({'class':'popup-calendar'})),calBut);calBut.bind('click',jQuery.datePicker.show);jQuery.datePicker.setInited(this)}});return this};