/*Copyright (c) 2006, Yahoo! Inc. All rights reserved.Code licensed under the BSD License:http://developer.yahoo.net/yui/license.txtversion: 0.10.0*/YAHOO.widget.DateMath=new function(){this.DAY="D";this.WEEK="W";this.YEAR="Y";this.MONTH="M";this.ONE_DAY_MS=1000*60*60*24;this.add=function(date,field,amount){var d=new Date(date.getTime());switch(field){case this.MONTH:var newMonth=date.getMonth()+amount;var years=0;if(newMonth<0){while(newMonth<0){newMonth+=12;years-=1;}}else if(newMonth>11){while(newMonth>11){newMonth-=12;years+=1;}}d.setMonth(newMonth);d.setFullYear(date.getFullYear()+years);break;case this.DAY:d.setDate(date.getDate()+amount);break;case this.YEAR:d.setFullYear(date.getFullYear()+amount);break;case this.WEEK:d.setDate(date.getDate()+7);break;}return d;};this.subtract=function(date,field,amount){return this.add(date,field,(amount*-1));};this.before=function(date,compareTo){var ms=compareTo.getTime();if(date.getTime()<ms){return true;}else{return false;}};this.after=function(date,compareTo){var ms=compareTo.getTime();if(date.getTime()>ms){return true;}else{return false;}};this.getJan1=function(calendarYear){return new Date(calendarYear,0,1);};this.getDayOffset=function(date,calendarYear){var beginYear=this.getJan1(calendarYear);var dayOffset=Math.ceil((date.getTime()-beginYear.getTime())/this.ONE_DAY_MS);return dayOffset;};this.getWeekNumber=function(date,calendarYear,weekStartsOn){if(!weekStartsOn){weekStartsOn=0;}if(!calendarYear){calendarYear=date.getFullYear();}var weekNum=-1;var jan1=this.getJan1(calendarYear);var jan1DayOfWeek=jan1.getDay();var month=date.getMonth();var day=date.getDate();var year=date.getFullYear();var dayOffset=this.getDayOffset(date,calendarYear);if(dayOffset<0&&dayOffset>=(-1*jan1DayOfWeek)){weekNum=1;}else{weekNum=1;var testDate=this.getJan1(calendarYear);while(testDate.getTime()<date.getTime()&&testDate.getFullYear()==calendarYear){weekNum+=1;testDate=this.add(testDate,this.WEEK,1);}}return weekNum;};this.isYearOverlapWeek=function(weekBeginDate){var overlaps=false;var nextWeek=this.add(weekBeginDate,this.DAY,6);if(nextWeek.getFullYear()!=weekBeginDate.getFullYear()){overlaps=true;}return overlaps;};this.isMonthOverlapWeek=function(weekBeginDate){var overlaps=false;var nextWeek=this.add(weekBeginDate,this.DAY,6);if(nextWeek.getMonth()!=weekBeginDate.getMonth()){overlaps=true;}return overlaps;};this.findMonthStart=function(date){var start=new Date(date.getFullYear(),date.getMonth(),1);return start;};this.findMonthEnd=function(date){var start=this.findMonthStart(date);var nextMonth=this.add(start,this.MONTH,1);var end=this.subtract(nextMonth,this.DAY,1);return end;};this.clearTime=function(date){date.setHours(0,0,0,0);return date;};}YAHOO.widget.Calendar_Core=function(id,containerId,monthyear,selected){if(arguments.length>0){this.init(id,containerId,monthyear,selected);}}YAHOO.widget.Calendar_Core.IMG_ROOT=(window.location.href.toLowerCase().indexOf("https")==0?"https://a248.e.akamai.net/sec.yimg.com/i/":"http://us.i1.yimg.com/us.yimg.com/i/");YAHOO.widget.Calendar_Core.DATE="D";YAHOO.widget.Calendar_Core.MONTH_DAY="MD";YAHOO.widget.Calendar_Core.WEEKDAY="WD";YAHOO.widget.Calendar_Core.RANGE="R";YAHOO.widget.Calendar_Core.MONTH="M";YAHOO.widget.Calendar_Core.DISPLAY_DAYS=42;YAHOO.widget.Calendar_Core.STOP_RENDER="S";YAHOO.widget.Calendar_Core.prototype={Config:null,parent:null,index:-1,cells:null,weekHeaderCells:null,weekFooterCells:null,cellDates:null,id:null,oDomContainer:null,today:null,renderStack:null,_renderStack:null,pageDate:null,_pageDate:null,minDate:null,maxDate:null,selectedDates:null,_selectedDates:null,shellRendered:false,table:null,headerCell:null};YAHOO.widget.Calendar_Core.prototype.init=function(id,containerId,monthyear,selected){this.setupConfig();this.id=id;this.cellDates=new Array();this.cells=new Array();this.renderStack=new Array();this._renderStack=new Array();this.oDomContainer=document.getElementById(containerId);this.today=new Date();YAHOO.widget.DateMath.clearTime(this.today);var month;var year;if(monthyear){var aMonthYear=monthyear.split(this.Locale.DATE_FIELD_DELIMITER);month=parseInt(aMonthYear[this.Locale.MY_MONTH_POSITION-1]);year=parseInt(aMonthYear[this.Locale.MY_YEAR_POSITION-1]);}else{month=this.today.getMonth()+1;year=this.today.getFullYear();}this.pageDate=new Date(year,month-1,1);this._pageDate=new Date(this.pageDate.getTime());if(selected){this.selectedDates=this._parseDates(selected);this._selectedDates=this.selectedDates.concat();}else{this.selectedDates=new Array();this._selectedDates=new Array();}this.wireDefaultEvents();this.wireCustomEvents();};YAHOO.widget.Calendar_Core.prototype.wireDefaultEvents=function(){this.doSelectCell=function(e,cal){var cell=this;var index=cell.index;var d=cal.cellDates[index];var date=new Date(d[0],d[1]-1,d[2]);if(!cal.isDateOOM(date)&&!YAHOO.util.Dom.hasClass(cell,cal.Style.CSS_CELL_RESTRICTED)&&!YAHOO.util.Dom.hasClass(cell,cal.Style.CSS_CELL_OOB)){if(cal.Options.MULTI_SELECT){var link=cell.getElementsByTagName("A")[0];link.blur();var cellDate=cal.cellDates[index];var cellDateIndex=cal._indexOfSelectedFieldArray(cellDate);if(cellDateIndex>-1){cal.deselectCell(index);}else{cal.selectCell(index);}}else{var link=cell.getElementsByTagName("A")[0];link.blur()cal.selectCell(index);}}}this.doCellMouseOver=function(e,cal){var cell=this;var index=cell.index;var d=cal.cellDates[index];var date=new Date(d[0],d[1]-1,d[2]);if(!cal.isDateOOM(date)&&!YAHOO.util.Dom.hasClass(cell,cal.Style.CSS_CELL_RESTRICTED)&&!YAHOO.util.Dom.hasClass(cell,cal.Style.CSS_CELL_OOB)){YAHOO.widget.Calendar_Core.prependCssClass(cell,cal.Style.CSS_CELL_HOVER);}}this.doCellMouseOut=function(e,cal){YAHOO.widget.Calendar_Core.removeCssClass(this,cal.Style.CSS_CELL_HOVER);}this.doNextMonth=function(e,cal){cal.nextMonth();}this.doPreviousMonth=function(e,cal){cal.previousMonth();}}YAHOO.widget.Calendar_Core.prototype.wireCustomEvents=function(){}YAHOO.widget.Calendar_Core.prototype.setupConfig=function(){this.Config=new Object();this.Config.Style={CSS_ROW_HEADER:"calrowhead",CSS_ROW_FOOTER:"calrowfoot",CSS_CELL:"calcell",CSS_CELL_SELECTED:"selected",CSS_CELL_RESTRICTED:"restricted",CSS_CELL_TODAY:"today",CSS_CELL_OOM:"oom",CSS_CELL_OOB:"previous",CSS_HEADER:"calheader",CSS_HEADER_TEXT:"calhead",CSS_WEEKDAY_CELL:"calweekdaycell",CSS_WEEKDAY_ROW:"calweekdayrow",CSS_FOOTER:"calfoot",CSS_CALENDAR:"calendar",CSS_BORDER:"calbordered",CSS_CONTAINER:"calcontainer",CSS_NAV_LEFT:"calnavleft",CSS_NAV_RIGHT:"calnavright",CSS_CELL_TOP:"calcelltop",CSS_CELL_LEFT:"calcellleft",CSS_CELL_RIGHT:"calcellright",CSS_CELL_BOTTOM:"calcellbottom",CSS_CELL_HOVER:"calcellhover",CSS_CELL_HIGHLIGHT1:"highlight1",CSS_CELL_HIGHLIGHT2:"highlight2",CSS_CELL_HIGHLIGHT3:"highlight3",CSS_CELL_HIGHLIGHT4:"highlight4"};this.Style=this.Config.Style;this.Config.Locale={MONTHS_SHORT:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],MONTHS_LONG:["January","February","March","April","May","June","July","August","September","October","November","December"],WEEKDAYS_1CHAR:["S","M","T","W","T","F","S"],WEEKDAYS_SHORT:["Su","Mo","Tu","We","Th","Fr","Sa"],WEEKDAYS_MEDIUM:["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],WEEKDAYS_LONG:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],DATE_DELIMITER:",",DATE_FIELD_DELIMITER:"/",DATE_RANGE_DELIMITER:"-",MY_MONTH_POSITION:1,MY_YEAR_POSITION:2,MD_MONTH_POSITION:1,MD_DAY_POSITION:2,MDY_MONTH_POSITION:1,MDY_DAY_POSITION:2,MDY_YEAR_POSITION:3};this.Locale=this.Config.Locale;this.Config.Options={MULTI_SELECT:false,SHOW_WEEKDAYS:true,START_WEEKDAY:0,SHOW_WEEK_HEADER:false,SHOW_WEEK_FOOTER:false,HIDE_BLANK_WEEKS:false,NAV_ARROW_LEFT:YAHOO.widget.Calendar_Core.IMG_ROOT+"us/tr/callt.gif",NAV_ARROW_RIGHT:YAHOO.widget.Calendar_Core.IMG_ROOT+"us/tr/calrt.gif"};this.Options=this.Config.Options;this.customConfig();if(!this.Options.LOCALE_MONTHS){this.Options.LOCALE_MONTHS=this.Locale.MONTHS_LONG;}if(!this.Options.LOCALE_WEEKDAYS){this.Options.LOCALE_WEEKDAYS=this.Locale.WEEKDAYS_SHORT;}if(this.Options.START_WEEKDAY>0){for(var w=0;w<this.Options.START_WEEKDAY;++w){this.Locale.WEEKDAYS_SHORT.push(this.Locale.WEEKDAYS_SHORT.shift());this.Locale.WEEKDAYS_MEDIUM.push(this.Locale.WEEKDAYS_MEDIUM.shift());this.Locale.WEEKDAYS_LONG.push(this.Locale.WEEKDAYS_LONG.shift());}}};YAHOO.widget.Calendar_Core.prototype.customConfig=function(){};YAHOO.widget.Calendar_Core.prototype.buildMonthLabel=function(){var text=this.Options.LOCALE_MONTHS[this.pageDate.getMonth()]+" "+this.pageDate.getFullYear();return text;};YAHOO.widget.Calendar_Core.prototype.buildDayLabel=function(workingDate){var day=workingDate.getDate();return day;};YAHOO.widget.Calendar_Core.prototype.buildShell=function(){this.table=document.createElement("TABLE");this.table.cellSpacing=0;YAHOO.widget.Calendar_Core.setCssClasses(this.table,[this.Style.CSS_CALENDAR]);this.table.id=this.id;this.buildShellHeader();this.buildShellBody();this.buildShellFooter();YAHOO.util.Event.addListener(window,"unload",this._unload,this);};YAHOO.widget.Calendar_Core.prototype.buildShellHeader=function(){var head=document.createElement("THEAD");var headRow=document.createElement("TR");var headerCell=document.createElement("TH");var colSpan=7;if(this.Config.Options.SHOW_WEEK_HEADER){this.weekHeaderCells=new Array();colSpan+=1;}if(this.Config.Options.SHOW_WEEK_FOOTER){this.weekFooterCells=new Array();colSpan+=1;}headerCell.colSpan=colSpan;YAHOO.widget.Calendar_Core.setCssClasses(headerCell,[this.Style.CSS_HEADER_TEXT]);this.headerCell=headerCell;headRow.appendChild(headerCell);head.appendChild(headRow);if(this.Options.SHOW_WEEKDAYS){var row=document.createElement("TR");var fillerCell;YAHOO.widget.Calendar_Core.setCssClasses(row,[this.Style.CSS_WEEKDAY_ROW]);if(this.Config.Options.SHOW_WEEK_HEADER){fillerCell=document.createElement("TH");YAHOO.widget.Calendar_Core.setCssClasses(fillerCell,[this.Style.CSS_WEEKDAY_CELL]);row.appendChild(fillerCell);}for(var i=0;i<this.Options.LOCALE_WEEKDAYS.length;++i){var cell=document.createElement("TH");YAHOO.widget.Calendar_Core.setCssClasses(cell,[this.Style.CSS_WEEKDAY_CELL]);cell.innerHTML=this.Options.LOCALE_WEEKDAYS[i];row.appendChild(cell);}if(this.Config.Options.SHOW_WEEK_FOOTER){fillerCell=document.createElement("TH");YAHOO.widget.Calendar_Core.setCssClasses(fillerCell,[this.Style.CSS_WEEKDAY_CELL]);row.appendChild(fillerCell);}head.appendChild(row);}this.table.appendChild(head);};YAHOO.widget.Calendar_Core.prototype.buildShellBody=function(){this.tbody=document.createElement("TBODY");for(var r=0;r<6;++r){var row=document.createElement("TR");for(var c=0;c<this.headerCell.colSpan;++c){var cell;if(this.Config.Options.SHOW_WEEK_HEADER&&c===0){cell=document.createElement("TH");this.weekHeaderCells[this.weekHeaderCells.length]=cell;}else if(this.Config.Options.SHOW_WEEK_FOOTER&&c==(this.headerCell.colSpan-1)){cell=document.createElement("TH");this.weekFooterCells[this.weekFooterCells.length]=cell;}else{cell=document.createElement("TD");this.cells[this.cells.length]=cell;YAHOO.widget.Calendar_Core.setCssClasses(cell,[this.Style.CSS_CELL]);YAHOO.util.Event.addListener(cell,"click",this.doSelectCell,this);YAHOO.util.Event.addListener(cell,"mouseover",this.doCellMouseOver,this);YAHOO.util.Event.addListener(cell,"mouseout",this.doCellMouseOut,this);}row.appendChild(cell);}this.tbody.appendChild(row);}this.table.appendChild(this.tbody);};YAHOO.widget.Calendar_Core.prototype.buildShellFooter=function(){};YAHOO.widget.Calendar_Core.prototype.renderShell=function(){this.oDomContainer.appendChild(this.table);this.shellRendered=true;};YAHOO.widget.Calendar_Core.prototype.render=function(){if(!this.shellRendered){this.buildShell();this.renderShell();}this.resetRenderers();this.cellDates.length=0;var workingDate=YAHOO.widget.DateMath.findMonthStart(this.pageDate);this.renderHeader();this.renderBody(workingDate);this.renderFooter();this.onRender();};YAHOO.widget.Calendar_Core.prototype.renderHeader=function(){this.headerCell.innerHTML="";var headerContainer=document.createElement("DIV");headerContainer.className=this.Style.CSS_HEADER;headerContainer.appendChild(document.createTextNode(this.buildMonthLabel()));this.headerCell.appendChild(headerContainer);};YAHOO.widget.Calendar_Core.prototype.renderBody=function(workingDate){this.preMonthDays=workingDate.getDay();if(this.Options.START_WEEKDAY>0){this.preMonthDays-=this.Options.START_WEEKDAY;}if(this.preMonthDays<0){this.preMonthDays+=7;}this.monthDays=YAHOO.widget.DateMath.findMonthEnd(workingDate).getDate();this.postMonthDays=YAHOO.widget.Calendar_Core.DISPLAY_DAYS-this.preMonthDays-this.monthDays;workingDate=YAHOO.widget.DateMath.subtract(workingDate,YAHOO.widget.DateMath.DAY,this.preMonthDays);var weekRowIndex=0;for(var c=0;c<this.cells.length;++c){var cellRenderers=new Array();var cell=this.cells[c];this.clearElement(cell);cell.index=c;cell.id=this.id+"_cell"+c;this.cellDates[this.cellDates.length]=[workingDate.getFullYear(),workingDate.getMonth()+1,workingDate.getDate()];if(workingDate.getDay()==this.Options.START_WEEKDAY){var rowHeaderCell=null;var rowFooterCell=null;if(this.Options.SHOW_WEEK_HEADER){rowHeaderCell=this.weekHeaderCells[weekRowIndex];this.clearElement(rowHeaderCell);}if(this.Options.SHOW_WEEK_FOOTER){rowFooterCell=this.weekFooterCells[weekRowIndex];this.clearElement(rowFooterCell);}if(this.Options.HIDE_BLANK_WEEKS&&this.isDateOOM(workingDate)&&!YAHOO.widget.DateMath.isMonthOverlapWeek(workingDate)){continue;}else{if(rowHeaderCell){this.renderRowHeader(workingDate,rowHeaderCell);}if(rowFooterCell){this.renderRowFooter(workingDate,rowFooterCell);}}}var renderer=null;if(workingDate.getFullYear()==this.today.getFullYear()&&workingDate.getMonth()==this.today.getMonth()&&workingDate.getDate()==this.today.getDate()){cellRenderers[cellRenderers.length]=this.renderCellStyleToday;}if(this.isDateOOM(workingDate)){cellRenderers[cellRenderers.length]=this.renderCellNotThisMonth;}else{for(var r=0;r<this.renderStack.length;++r){var rArray=this.renderStack[r];var type=rArray[0];var month;var day;var year;switch(type){case YAHOO.widget.Calendar_Core.DATE:month=rArray[1][1];day=rArray[1][2];year=rArray[1][0];if(workingDate.getMonth()+1==month&&workingDate.getDate()==day&&workingDate.getFullYear()==year){renderer=rArray[2];this.renderStack.splice(r,1);}break;case YAHOO.widget.Calendar_Core.MONTH_DAY:month=rArray[1][0];day=rArray[1][1];if(workingDate.getMonth()+1==month&&workingDate.getDate()==day){renderer=rArray[2];this.renderStack.splice(r,1);}break;case YAHOO.widget.Calendar_Core.RANGE:var date1=rArray[1][0];var date2=rArray[1][1];var d1month=date1[1];var d1day=date1[2];var d1year=date1[0];var d1=new Date(d1year,d1month-1,d1day);var d2month=date2[1];var d2day=date2[2];var d2year=date2[0];var d2=new Date(d2year,d2month-1,d2day);if(workingDate.getTime()>=d1.getTime()&&workingDate.getTime()<=d2.getTime()){renderer=rArray[2];if(workingDate.getTime()==d2.getTime()){this.renderStack.splice(r,1);}}break;case YAHOO.widget.Calendar_Core.WEEKDAY:var weekday=rArray[1][0];if(workingDate.getDay()+1==weekday){renderer=rArray[2];}break;case YAHOO.widget.Calendar_Core.MONTH:month=rArray[1][0];if(workingDate.getMonth()+1==month){renderer=rArray[2];}break;}