function Epoch(name,mode,targetelement,multiselect)
{var self=this;function calConfig(){self.versionNumber='2.0.2';
self.displayYearInitial=self.curDate.getFullYear();
self.displayMonthInitial=self.curDate.getMonth();
self.displayYear=self.displayYearInitial;
self.displayMonth=self.displayMonthInitial;
self.minDate=new Date(2008,0,1);
self.maxDate=new Date(2009,11,31);
self.startDay=0;
self.showWeeks=true;
self.selCurMonthOnly=true;

}
function setLang()
{self.daylist=new Array('S','M','T','W','T','F','S','S','M','T','W','T','F','S');
self.months_sh=new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
self.monthup_title='Go to the next month';
self.monthdn_title='Go to the previous month';
self.clearbtn_caption='Clear';
self.clearbtn_title='Clears any dates selected on the calendar';
self.maxrange_caption='This is the maximum range';
self.closebtn_caption='Close';
self.closebtn_title='Close the calendar';

}function setDays(){self.daynames=new Array();

var j=0;
for(var i=self.startDay;
i<self.startDay+7;
i++){self.daynames[j++]=self.daylist[i];

}self.monthDayCount=new Array(31,((self.curDate.getFullYear()- 2000)% 4?28:29),31,30,31,30,31,31,30,31,30,31);

}
function createCalendar(){var tbody,tr,td;

self.calendar=document.createElement('table');

self.calendar.setAttribute('id',self.name+'_calendar');

setClass(self.calendar,'calendar');

self.calendar.style.display='none';

addEventHandler(self.calendar,'selectstart',function()
{return false;});

addEventHandler(self.calendar,'drag',function()
{return false;});

tbody=document.createElement('tbody');

tr=document.createElement('tr');

td=document.createElement('td');

td.appendChild(createMainHeading());

tr.appendChild(td);

tbody.appendChild(tr);

tr=document.createElement('tr');

td=document.createElement('td');

self.calendar.celltable=document.createElement('table');

setClass(self.calendar.celltable,'cells');

self.calendar.celltable.appendChild(createDayHeading());

self.calendar.celltable.appendChild(createCalCells());

td.appendChild(self.calendar.celltable);

tr.appendChild(td);

tbody.appendChild(tr);

tr=document.createElement('tr');

td=document.createElement('td');

td.appendChild(createFooter());

tr.appendChild(td);

tbody.appendChild(tr);

self.calendar.appendChild(tbody);

addEventHandler(self.calendar,'mouseover',cal_onmouseover);

addEventHandler(self.calendar,'mouseout',cal_onmouseout);

}function createMainHeading()
{
var container=document.createElement('div');

setClass(container,'mainheading');

self.monthSelect=document.createElement('select');

self.yearSelect=document.createElement('select');

var monthDn=document.createElement('input'),monthUp=document.createElement('input');

var opt,i;

for(i=0;

i<12;

i++){opt=document.createElement('option');

opt.setAttribute('value',i);

if(self.displayMonth==i){opt.setAttribute('selected','selected');

}opt.appendChild(document.createTextNode(self.months_sh[i]));

self.monthSelect.appendChild(opt);

}
var yrMax=self.maxDate.getFullYear(),yrMin=self.minDate.getFullYear();

for(i=yrMin;

i<=yrMax;

i++){opt=document.createElement('option');

opt.setAttribute('value',i);


if(self.displayYear==i){opt.setAttribute('selected','selected');

}opt.appendChild(document.createTextNode(i));

self.yearSelect.appendChild(opt);

}monthUp.setAttribute('type','button');

monthUp.setAttribute('value','>');

monthUp.setAttribute('title',self.monthup_title);

monthDn.setAttribute('type','button');

monthDn.setAttribute('value','<');

monthDn.setAttribute('title',self.monthdn_title);

self.monthSelect.owner=self.yearSelect.owner=monthUp.owner=monthDn.owner=self;

function selectonchange(){if(self.goToMonth(self.yearSelect.value,self.monthSelect.value)){self.displayMonth=self.monthSelect.value;

self.displayYear=self.yearSelect.value;


}
else{self.monthSelect.value=self.displayMonth;

self.yearSelect.value=self.displayYear;

}}addEventHandler(monthUp,'click',function(){self.nextMonth();

});

addEventHandler(monthDn,'click',function(){self.prevMonth();

});

addEventHandler(self.monthSelect,'change',selectonchange);

addEventHandler(self.yearSelect,'change',selectonchange);

container.appendChild(monthDn);

container.appendChild(self.monthSelect);

container.appendChild(self.yearSelect);

container.appendChild(monthUp);

return container;

}function createFooter()
{
var container=document.createElement('div');

var clearSelected=document.createElement('input');

clearSelected.setAttribute('type','button');

clearSelected.setAttribute('value',self.clearbtn_caption);

clearSelected.setAttribute('title',self.clearbtn_title);

clearSelected.owner=self;

addEventHandler(clearSelected,'click',function(){self.resetSelections(false);

});
container.appendChild(clearSelected);
if(self.mode=='popup'){var closeBtn=document.createElement('input');
closeBtn.setAttribute('type','button');
closeBtn.setAttribute('value',self.closebtn_caption);
closeBtn.setAttribute('title',self.closebtn_title);
addEventHandler(closeBtn,'click',function(){self.hide();
});
setClass(closeBtn,'closeBtn');
container.appendChild(closeBtn);
}return container;
}function createDayHeading(){self.calHeading=document.createElement('thead');
setClass(self.calHeading,'caldayheading');
var tr=document.createElement('tr'),th;
self.cols=new Array(false,false,false,false,false,false,false);
if(self.showWeeks){th=document.createElement('th');
setClass(th,'wkhead');
tr.appendChild(th);
}for(var dow=0;
dow<7;
dow++){th=document.createElement('th');
th.appendChild(document.createTextNode(self.daynames[dow]));
if(self.selectMultiple){th.headObj=new CalHeading(self,th,(dow+self.startDay<7?dow+self.startDay:dow+self.startDay-7));
}tr.appendChild(th);
}self.calHeading.appendChild(tr);
return self.calHeading;
}function createCalCells(){self.rows=new Array(false,false,false,false,false,false);
self.cells=new Array();
var row=-1,totalCells =(self.showWeeks?48:42);
var beginDate=new Date(self.displayYear,self.displayMonth,1);
var endDate=new Date(self.displayYear,self.displayMonth,self.monthDayCount[self.displayMonth]);
var sdt=new Date(beginDate);
sdt.setDate(sdt.getDate()+(self.startDay-beginDate.getDay())-(self.startDay-beginDate.getDay()> 0?7:0));
self.calCells=document.createElement('tbody');
var tr,td;
var cellIdx=0,cell,week,dayval;
for(var i=0;
i<totalCells;
i++){if(self.showWeeks){if(i%8==0){row++;
week=sdt.getWeek(self.startDay);
tr=document.createElement('tr');
td=document.createElement('td');
if(self.selectMultiple){td.weekObj=new WeekHeading(self,td,week,row)}else{setClass(td,'wkhead');
}td.appendChild(document.createTextNode(week));
tr.appendChild(td);
i++;
}}else if(i%7==0){row++;
week=sdt.getWeek(self.startDay);
tr=document.createElement('tr');
}dayval=sdt.getDate();
td=document.createElement('td');
td.appendChild(document.createTextNode(dayval));
cell=new CalCell(self,td,sdt,row,week);
self.cells[cellIdx]=cell;
td.cellObj=cell;
tr.appendChild(td);
self.calCells.appendChild(tr);
self.reDraw(cellIdx++);
sdt.setDate(dayval+1);
}return self.calCells;
}function setMode(targetelement){if(self.mode=='popup'){self.calendar.style.position='absolute';
}if(targetelement){switch(self.mode){case 'flat':self.tgt=targetelement;
self.tgt.appendChild(self.calendar);
self.visible=true;
break;
case 'popup':self.calendar.style.position='absolute';
document.body.appendChild(self.calendar);
self.setTarget(targetelement,false);
break;
}}else{document.body.appendChild(self.calendar);
self.visible=false;
}}function deleteCells(){self.calendar.celltable.removeChild(self.calendar.celltable.childNodes[1]);
}function setClass(element,className){element.setAttribute('class',className);
element.setAttribute('className',className);
}function setCellProperties(cellindex){var cell=self.cells[cellindex];
var date;
idx=self.dateInArray(self.dates,cell.date);
if(idx>-1){date=self.dates[idx];
cell.date.selected=date.selected||false;
cell.date.type=date.type;
cell.date.canSelect=date.canSelect;
cell.setTitle(date.title);
cell.setURL(date.href);
cell.setHTML(date.cellHTML);
}else{cell.date.selected=false;
}if(cell.date.getTime()< self.minDate.getTime()|| cell.date.getTime()> self.maxDate.getTime()){cell.date.canSelect=false;
}cell.setClass();

}
function cal_onmouseover(){self.mousein=true;
}function cal_onmouseout(){self.mousein=false;

}
function updateSelectedDates()
{var idx=0;
self.selectedDates=new Array();
for(i=0;
i<self.dates.length;
i++){if(self.dates[i].selected){self.selectedDates[idx++]=self.dates[i];
}}}self.dateInArray=function(arr,searchVal,startIndex){startIndex =(startIndex!=null?startIndex:0);
for(var i=startIndex;
i<arr.length;
i++){if(searchVal.getUeDay()== arr[i].getUeDay())
{return i;
}
}return -1;
};
self.setTarget=function(targetelement,focus)
{if
(self.mode=='popup'){function popupFocus(){self.show();
}function popupBlur(){if(!self.mousein){self.hide();

}
}
function popupKeyDown(){self.hide();
}if(self.tgt){removeEventHandler(self.tgt,'focus',popupFocus);
removeEventHandler(self.tgt,'blur',popupBlur);
removeEventHandler(self.tgt,'keydown',popupKeyDown);
}self.tgt=targetelement;
var dto=self.tgt.dateObj,pdateArr=new Array;
if(dto){if(self.tgt.value.length){pdateArr[0]=dto;
}self.goToMonth(dto.getFullYear(),dto.getMonth());
}self.selectDates(pdateArr,true,true,true);
self.topOffset=self.tgt.offsetHeight;
self.leftOffset=0;
self.updatePos(self.tgt);
addEventHandler(self.tgt,'focus',popupFocus);
addEventHandler(self.tgt,'blur',popupBlur);
addEventHandler(self.tgt,'keydown',popupKeyDown);
if(focus!==false){popupFocus();
}}else{if(self.tgt){self.tgt.removeChild(self.calendar);
}self.tgt=targetelement;
self.tgt.appendChild(self.calendar);
self.show();
}};
self.nextMonth=function(){var month=self.displayMonth;
var year=self.displayYear;
if(self.displayMonth<11){month++;
}else if(self.yearSelect.value<self.maxDate.getFullYear()){month=0;
year++;
}return self.goToMonth(year,month);
};
self.prevMonth=function(){var month=self.displayMonth;
var year=self.displayYear;
if(self.displayMonth>0){month--;
}else{month=11;
year--;
}return self.goToMonth(year,month);
};
self.goToMonth=function(year,month){var testdatemin=new Date(year,month,31);
var testdatemax=new Date(year,month,1);
if(testdatemin>=self.minDate&&testdatemax<=self.maxDate){self.monthSelect.value=self.displayMonth=month;
self.yearSelect.value=self.displayYear=year;
createCalCells();
deleteCells();
self.calendar.celltable.appendChild(self.calCells);
return true;
}else{alert(self.maxrange_caption);
return false;
}};
self.updatePos=function(target){if(self.mode=='popup'){self.calendar.style.top=getTop(target)+ self.topOffset+'px';
self.calendar.style.left=getLeft(target)+ self.leftOffset+'px';
}};
self.show=function(){self.updatePos(self.tgt);
self.calendar.style.display='block';
self.visible=true;
};
self.hide=function(){self.calendar.style.display='none';
self.visible=false;
};
self.toggle=function(){self.visible?self.hide():self.show();
};
self.addDates=function(dates,redraw){var i;
for(i=0;
i<dates.length;
i++){if(self.dateInArray(self.dates,dates[i])== -1){self.dates[self.dates.length]=dates[i];
}}updateSelectedDates();
if(redraw!=false){self.reDraw();
}};
self.removeDates=function(dates,redraw){var idx;
for(var i=0;
i<dates.length;
i++){idx=self.dateInArray(self.dates,dates[i]);
if(idx!=-1){self.dates.splice(idx,1);
}}updateSelectedDates();
if(redraw!=false){self.reDraw();
}};
self.selectDates=function(inpdates,selectVal,redraw,removeothers){var i,idx;
if(removeothers==true){for(i=0;
i<self.dates.length;
i++){self.dates[i].selected=false;
}}for(i=0;
i<inpdates.length;
i++){idx=self.dateInArray(self.dates,inpdates[i]);
if(selectVal==true){inpdates[i].selected=true;
if(idx==-1){self.dates[self.dates.length]=inpdates[i];
}else{self.dates[idx].selected=true;
}}else{if(idx>-1){self.dates[idx].selected=inpdates[i].selected=false;
if(self.dates[idx].type=='normal'){self.dates.splice(idx,1);
}}}}updateSelectedDates();
if(redraw!=false){self.reDraw();
}};
self.sendForm=function(form,inputname){var inpname=inputname||'epochdates',f,inp;
f =(typeof(form)== 'string'?document.getElementById(form):form);
if(!f){alert('ERROR:Invalid form input');
return false;
}for(var i=0;
i<self.dates.length;
i++){inp=document.createElement('input');
inp.setAttribute('type','hidden');
inp.setAttribute('name',inpname+'['+i+']');
inp.setAttribute('value',encodeURIComponent(self.dates[i].dateFormat('Y-m-d')));
f.appendChild(inp);
}return true;
};
self.resetSelections=function(retMonth){var dateArray=new Array();
var dt=self.dates;
for(var i=0;
i<dt.length;
i++){if(dt[i].selected){dateArray[dateArray.length]=dt[i];
}}self.selectDates(dateArray,false,false);
self.rows=new Array(false,false,false,false,false,false,false);
self.cols=new Array(false,false,false,false,false,false,false);
if(self.mode=='popup'){self.tgt.value='';
self.hide();
}retMonth==true?self.goToMonth(self.displayYearInitial,self.displayMonthInitial):self.reDraw();
};
self.reDraw=function(index){self.state=1;
var len=index?index+1:self.cells.length;
for(var i=index||0;
i<len;
i++){setCellProperties(i);
}self.state=2;
};
self.getCellIndex=function(date){for(var i=0;
i<self.cells.length;
i++){if(self.cells[i].date.getUeDay()== date.getUeDay()){return i;
}}return -1;
};
self.state=0;
self.name=name;
self.curDate=new Date();
self.mode=mode;
self.selectMultiple =(multiselect==true);
self.dates=new Array();
self.selectedDates=new Array();
self.calendar;
self.calHeading;
self.calCells;
self.rows;
self.cols;
self.cells=new Array();
self.monthSelect;
self.yearSelect;
self.mousein=false;
calConfig();
setLang();
setDays();
createCalendar();
targetelement=typeof(targetelement)== 'string'?document.getElementById(targetelement):targetelement;
setMode(targetelement);
self.state=2;
self.visible?self.show():self.hide();
}function CalHeading(owner,tableCell,dayOfWeek){function DayHeadingonclick(){var sdates=owner.dates;
var cells=owner.cells;
var dateArray=new Array();
owner.cols[dayOfWeek]=!owner.cols[dayOfWeek];
for(var i=0;
i<cells.length;
i++){if(cells[i].dayOfWeek==dayOfWeek&&cells[i].date.canSelect &&(!owner.selCurMonthOnly||cells[i].date.getMonth()== owner.displayMonth&&cells[i].date.getFullYear()== owner.displayYear)){dateArray[dateArray.length]=cells[i].date;
}}owner.selectDates(dateArray,owner.cols[dayOfWeek],true);
}var self=this;
self.dayOfWeek=dayOfWeek;
addEventHandler(tableCell,'mouseup',DayHeadingonclick);
}function WeekHeading(owner,tableCell,week,tableRow){function weekHeadingonclick(){var cells=owner.cells;
var sdates=owner.dates;
var dateArray=new Array();
owner.rows[tableRow]=!owner.rows[tableRow];
for(var i=0;
i<cells.length;
i++){if(cells[i].tableRow==tableRow&&cells[i].date.canSelect &&(!owner.selCurMonthOnly||cells[i].date.getMonth()== owner.displayMonth&&cells[i].date.getFullYear()== owner.displayYear)){dateArray[dateArray.length]=cells[i].date;
}}owner.selectDates(dateArray,owner.rows[tableRow],true);
}var self=this;
self.week=week;
tableCell.setAttribute('class','wkhead');
tableCell.setAttribute('className','wkhead');
addEventHandler(tableCell,'mouseup',weekHeadingonclick);
}function CalCell(owner,tableCell,dateObj,row,week){var self=this;
function calCellonclick(){if(self.date.canSelect){if(owner.selectMultiple==true){owner.selectDates(new Array(self.date),!self.date.selected,false);
self.setClass();
}else{owner.selectDates(new Array(self.date),true,false,true);
if(owner.mode=='popup'){owner.tgt.value=self.date.dateFormat();
owner.tgt.dateObj=new Date(self.date);
owner.hide();
}owner.reDraw();
}}}function calCellonmouseover(){if(self.date.canSelect){tableCell.setAttribute('class',self.cellClass+' hover');
tableCell.setAttribute('className',self.cellClass+' hover');
}}function calCellonmouseout(){self.setClass();
}self.setClass=function(){if(self.date.canSelect!==false){if(self.date.selected){self.cellClass='cell_selected';
}else if(owner.displayMonth!=self.date.getMonth()){self.cellClass='notmnth';
}else if(self.date.type=='holiday'){self.cellClass='hlday';
}else if(self.dayOfWeek>0&&self.dayOfWeek<6){self.cellClass='wkday';
}else{self.cellClass='wkend';
}}else{self.cellClass='noselect';
}if(self.date.getUeDay()== owner.curDate.getUeDay()){self.cellClass=self.cellClass+' curdate';
}tableCell.setAttribute('class',self.cellClass);
tableCell.setAttribute('className',self.cellClass);
};
self.setURL=function(href,type){if(href){if(type=='js'){addEventHandler(self.tableCell,'mousedown',function(){window.location.href=href;
});
}else{var url=document.createElement('a');
url.setAttribute('href',href);
url.appendChild(document.createTextNode(self.date.getDate()));
self.tableCell.replaceChild(url,self.tableCell.firstChild);
}}};
self.setTitle=function(titleStr){if(titleStr&&titleStr.length>0){self.title=titleStr;
self.tableCell.setAttribute('title',titleStr);
}};
self.setHTML=function(html){if(html&&html.length>0){if(self.tableCell.childNodes[1]){self.tableCell.childNodes[1].innerHTML=html;
}else{var htmlCont=document.createElement('div');
htmlCont.innerHTML=html;
self.tableCell.appendChild(htmlCont);
}}};
self.cellClass;
self.tableRow=row;
self.tableCell=tableCell;
self.date=new Date(dateObj);
self.date.canSelect=true;
self.date.type='normal';
self.date.selected=false;
self.date.cellHTML='';
self.dayOfWeek=self.date.getDay();
self.week=week;
addEventHandler(tableCell,'click',calCellonclick);
addEventHandler(tableCell,'mouseover',calCellonmouseover);
addEventHandler(tableCell,'mouseout',calCellonmouseout);
self.setClass();
}Date.prototype.getDayOfYear=function(){return parseInt((this.getTime()- new Date(this.getFullYear(),0,1).getTime())/86400000+1);
};
Date.prototype.getWeek=function(dowOffset){dowOffset=typeof(dowOffset)== 'int'?dowOffset:0;
var newYear=new Date(this.getFullYear(),0,1);
var day=newYear.getDay()- dowOffset;
day =(day>=0?day:day+7);
var weeknum,daynum=Math.floor((this.getTime()- newYear.getTime()-(this.getTimezoneOffset()-newYear.getTimezoneOffset())*60000)/86400000)+ 1;
if(day<4){weeknum=Math.floor((daynum+day-1)/7)+ 1;
if(weeknum>52){nYear=new Date(this.getFullYear()+ 1,0,1);
nday=nYear.getDay()- dowOffset;
nday=nday>=0?nday:nday+7;
weeknum=nday<4?1:53;
}}else{weeknum=Math.floor((daynum+day-1)/7);
}return weeknum;
};
Date.prototype.getUeDay=function(){return parseInt(Math.floor((this.getTime()- this.getTimezoneOffset()* 60000)/86400000));
};
Date.prototype.dateFormat=function(format){if(!format){format='m/d/Y';
}LZ=function(x){return(x<0||x>9?'':'0')+ x};
var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
var result="";
var i_format=0;
var c="";
var token="";
var y=this.getFullYear().toString();
var M=this.getMonth()+1;
var d=this.getDate();
var E=this.getDay();
var H=this.getHours();
var m=this.getMinutes();
var s=this.getSeconds();
value ={Y:y.toString(),y:y.substring(2),n:M,m:LZ(M),F:MONTH_NAMES[M-1],M:MONTH_NAMES[M+11],j:d,d:LZ(d),D:DAY_NAMES[E+7],l:DAY_NAMES[E],G:H,H:LZ(H)};
if(H==0){value['g']=12;
}else if(H>12){value['g']=H-12;
}else{value['g']=H;
}value['h']=LZ(value['g']);
if(H>11){value['a']='pm';
value['A']='PM';
}else{ value['a']='am';
value['A']='AM';
}value['i']=LZ(m);
value['s']=LZ(s);
while(i_format<format.length){c=format.charAt(i_format);
token="";
while((format.charAt(i_format)==c)&&(i_format<format.length)){token += format.charAt(i_format++);
}if(value[token]!=null){ result=result+value[token];

}
else{ result=result+token;
}
}
return result;
};
function addEventHandler(element,type,func)
{if
(element.addEventListener){element.addEventListener(type,func,false);

}
else if(element.attachEvent){element.attachEvent('on'+type,func);

}
}
function removeEventHandler(element,type,func)
{if(element.removeEventListener){element.removeEventListener(type,func,false);
}else if(element.attachEvent){element.detachEvent('on'+type,func);
}
}
function getTop(element)
{var oNode=element;
var iTop=0;
while(oNode.tagName!='HTML'){iTop += oNode.offsetTop||0;
if(oNode.offsetParent){oNode=oNode.offsetParent;
}
else
{break;

}
}
return iTop;

}
function getLeft(element)
{
var oNode=element;
var iLeft=0;
while(oNode.tagName!='HTML'){iLeft += oNode.offsetLeft||0;

if(oNode.offsetParent){oNode=oNode.offsetParent;

}else
{break;

}
}
return iLeft;
}