/* --- Swazz Javascript Calendar ---
/* --- v 1.0 3rd November 2006
By Oliver Bryant
http://calendar.swazz.org */

var ajax_monthAbbrArray = new Array('JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC');
var ajax_normalLastDayOfMonthArray = new Array('31','28','31','30','31','30','31','31','30','31','30','31');
var ajax_leapYearLastDayOfMonthArray = new Array('31','29','31','30','31','30','31','31','30','31','30','31');
var ajax_calendarSquareArray = new Array(42);

function AJAX_GetObject(objID)
{
    if (document.getElementById) {return document.getElementById(objID);}
    else if (document.all) {return document.all[objID];}
    else if (document.layers) {return document.layers[objID];}
}

function AJAX_CheckClickEvent(e) 
{
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (AJAX_GetObject('calendarWithAjax'))
	{
		if (!AJAX_IsChildObject(CSE,AJAX_GetObject('calendarWithAjax')))
		{
			AJAX_GetObject('calendarWithAjax').style.display='none';
		}
	}
}

function AJAX_IsChildObject(s,d) 
{
	while(s) 
	{
		if (s==d)
		{
			return true;
		}
		s=s.parentNode;
	}
	return false;
}

function AJAX_SetLeft(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
	{
		curleft += obj.x;
	}
	return curleft+40;
}

function AJAX_SetTop(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
	{
		curtop += obj.y;
	}
	return curtop;
}

// begin writing calendar layer
document.write('<table id="calendarWithAjax" style="position:absolute;border-collapse:collapse;background:#FFFFFF;border:1px solid #ABABAB;display:none" cellpadding=2>');
document.write('<tr><td style="cursor:pointer" onclick="AJAX_ChangeToPrevMonth()"><img src="../images/arrowleftmonth.gif"></td><td colspan=5 id="ajax_monthNameTD" align="center" style="font:bold 13px Arial"></td><td align="right" style="cursor:pointer" onclick="AJAX_ChangeToNextMonth()"><img src="../images/arrowrightmonth.gif"></td></tr>');
document.write('<tr><td align=center style="background:#ABABAB;font:12px Arial">S</td><td align=center style="background:#ABABAB;font:12px Arial">M</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">W</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">F</td><td align=center style="background:#ABABAB;font:12px Arial">S</td></tr>');
for(var kk = 1; kk <= 6; kk++) 
{
	document.write('<tr>');
	for(var tt = 1; tt <= 7; tt++) 
	{
		num=7 * (kk-1) - (-tt);
		document.write('<td id="cwa' + num + '" style="width:18px;height:18px">&nbsp;</td>');
	}
	document.write('</tr>');
}
document.write('</table>');

document.all?document.attachEvent('onclick',AJAX_CheckClickEvent):document.addEventListener('click',AJAX_CheckClickEvent,false);
// end writing calendar layer


// Calendar script
// Calendar script
var ajax_globalDaysOut = 1;
var ajax_globalNow = new Date;
/*var globalStartDate = new Date;
alert("globalNow.getDate() + globalDaysOut: '" + (globalNow.getDate() + globalDaysOut) + "'");
globalStartDate.setDate(globalNow.getDate() + globalDaysOut);*/
var ajax_globalStartDayOfMonth = ajax_globalNow.getDate();
var ajax_globalStartMonth = ajax_globalNow.getMonth();
var ajax_globalStartYear = ajax_globalNow.getFullYear();

var ajax_thisLastDayOfGlobalStartMonthArray = ((ajax_globalStartYear % 4) == 0) ? ajax_leapYearLastDayOfMonthArray : ajax_normalLastDayOfMonthArray;
var ajax_lastDayGlobalStartMonth = ajax_thisLastDayOfGlobalStartMonthArray[ajax_globalStartMonth];
if(ajax_globalStartDayOfMonth == ajax_lastDayGlobalStartMonth)
{
	ajax_globalStartDayOfMonth = 1;
	if(ajax_globalStartMonth != 11)
	{
		ajax_globalStartMonth++;
	}
	else
	{
		ajax_globalStartMonth = 1;
		ajax_globalStartYear++;
	}
}
var ajax_globalStartDate = new Date();
ajax_globalStartDate.setFullYear(ajax_globalStartYear, ajax_globalStartMonth, ajax_globalStartDayOfMonth);
var ajax_globalCurrentMonth = ajax_globalStartMonth;
var ajax_globalCurrentYear = ajax_globalStartYear;

var ajax_globalDateTextBoxObject;
function AJAX_LoadCalendar(dateTextBox) 
{
	ajax_globalDateTextBoxObject = dateTextBox;
	AJAX_GetObject('calendarWithAjax').style.left = AJAX_SetLeft(dateTextBox) + 20;
	AJAX_GetObject('calendarWithAjax').style.top = AJAX_SetTop(dateTextBox) + dateTextBox.offsetHeight;
	AJAX_GetObject('calendarWithAjax').style.display = '';
//	AJAX_GetObject('dd1').style.display='none';
	
	// First check date is valid
	var selectedCurrentDate = dateTextBox.value;
	var selectedCurrentDateArray = selectedCurrentDate.split('/');
	var isDate = true;
	for(var k = 0; k < selectedCurrentDateArray.length; k++) 
	{
		if (isNaN(selectedCurrentDateArray[k]))
		{
			isDate=false;
		}
	}
	if (isDate & (selectedCurrentDateArray.length==3)) 
	{
		var selectedCurrentMonth = selectedCurrentDateArray[0]-1;
		var selectedCurrentDay = selectedCurrentDateArray[1];
		var selectedCurrentYear = selectedCurrentDateArray[2];
		AJAX_PrepCalendar(selectedCurrentDay, selectedCurrentMonth, selectedCurrentYear);
		var selectedDate = new Date();
		selectedDate.setFullYear(selectedCurrentYear, (selectedCurrentMonth), selectedCurrentDay);
		if(selectedDate >= globalStartDate)
		{
			AJAX_PrepCalendar(selectedCurrentDay, selectedCurrentMonth, selectedCurrentYear);
		}
		else
		{
			dateTextBox.value = "";
			AJAX_PrepCalendar(ajax_globalStartDay, ajax_globalStartMonth, ajax_globalStartYear);
		}
	}
}

function AJAX_SetEventTarget(e)
{
	var el;
	if(e.target) el=e.target;
	else if(e.srcElement) el=e.srcElement;
	if(el.nodeType==3) el=el.parentNode; // defeat Safari bug
	return el;
}

function AJAX_GrabEventObject(e)
{
	if(!e) e=window.event;
	return e;
}

function AJAX_AddMouseOverEventToTarget(e) 
{
	AJAX_SetEventTarget(AJAX_GrabEventObject(e)).style.background='#FFCC66';
}

function AJAX_AddMouseOutEventToTarget(e) 
{
	AJAX_SetEventTarget(AJAX_GrabEventObject(e)).style.background='#C4D3EA';
}

function AJAX_AddOnClickEventToTarget(e) 
{
	// set date textbox value
//	alert("AJAX_SetEventTarget(AJAX_GrabEventObject(e)).id.length: '" + AJAX_SetEventTarget(AJAX_GrabEventObject(e)).id.length + "'");
	ajax_globalDateTextBoxObject.value = ajax_calendarSquareArray[AJAX_SetEventTarget(AJAX_GrabEventObject(e)).id.substring(3,AJAX_SetEventTarget(AJAX_GrabEventObject(e)).id.length)];
	// re-hide calendar
	AJAX_GetObject('calendarWithAjax').style.display = 'none';
	CallAjaxToLoadTimes();
}

function AJAX_SetDayAvailableStyle(obj) 
{
	obj.style.background = '#C4D3EA';
	obj.style.font = '10px Arial';
	obj.style.color = '#333333';
	obj.style.textAlign = 'center';
	obj.style.textDecoration = 'none';
	obj.style.border = '1px solid #6487AE';
	obj.style.cursor = 'pointer';
}

function AJAX_SetDayNotAvailableStyle(obj) 
{
	obj.style.background = '#C4D3EA';
	obj.style.font = '10px Arial';
	obj.style.color = '#ABABAB';
	obj.style.textAlign = 'center';
	obj.style.textDecoration = 'line-through';
	obj.style.border = '1px solid #6487AE';
	obj.style.cursor = 'default';
}

function AJAX_SetDaySelectedStyle(obj) 
{
	obj.style.background = '#FFF799';
	obj.style.font = 'bold 10px Arial';
	obj.style.color = '#333333';
	obj.style.textAlign = 'center';
	obj.style.border = '1px solid #6487AE';
	obj.style.cursor = 'pointer';
}

// day selected
function AJAX_PrepCalendar(theDay, theMonth, theYear) 
{
	var startDate = globalStartDayOfMonth;
	var firstDayOfMonth = new Date();
	firstDayOfMonth.setDate(1);
	firstDayOfMonth.setFullYear(theYear);
	firstDayOfMonth.setMonth(theMonth);
	var firstDayOfMonthDayOfWeekNum = firstDayOfMonth.getDay();
	
	AJAX_GetObject('ajax_monthNameTD').innerHTML = ajax_monthAbbrArray[theMonth]+ ' ' + theYear;
	var thisLastDayOfMonthArray = ((theYear % 4) == 0)?ajax_leapYearLastDayOfMonthArray:ajax_normalLastDayOfMonthArray;
	for(var d = 1; d <= 42; d++) 
	{
		AJAX_SetDayAvailableStyle(AJAX_GetObject('cwa'+parseInt(d)));
		if ((d >= (firstDayOfMonthDayOfWeekNum -(-1))) && (d <= firstDayOfMonthDayOfWeekNum - (-thisLastDayOfMonthArray[theMonth]))) 
		{
			var dateIsNotAvailable = ((d - firstDayOfMonthDayOfWeekNum < startDate) && (theMonth == ajax_globalStartMonth) && (theYear == ajax_globalStartYear));
			var dateIsSelected = ((theDay != '') && (d - firstDayOfMonthDayOfWeekNum == theDay));
			if(dateIsNotAvailable)
			{
				AJAX_SetDayNotAvailableStyle(AJAX_GetObject('cwa'+parseInt(d)));
			}
			else if(dateIsSelected)
			{
				AJAX_SetDaySelectedStyle(AJAX_GetObject('cwa'+parseInt(d)));
			}
			else
			{
				AJAX_SetDayAvailableStyle(AJAX_GetObject('cwa'+parseInt(d)));
			}

			AJAX_GetObject('cwa' + parseInt(d)).onmouseover = (dateIsNotAvailable)?null:AJAX_AddMouseOverEventToTarget;
			AJAX_GetObject('cwa' + parseInt(d)).onmouseout = (dateIsNotAvailable)?null:AJAX_AddMouseOutEventToTarget;
			AJAX_GetObject('cwa' + parseInt(d)).onclick = (dateIsNotAvailable)?null:AJAX_AddOnClickEventToTarget;
			AJAX_GetObject('cwa' + parseInt(d)).innerHTML = d - firstDayOfMonthDayOfWeekNum;	

			ajax_calendarSquareArray[d] = '' + (theMonth - (-1)) + '/' + ((d - firstDayOfMonthDayOfWeekNum)) + '/' + theYear;
		}
		else 
		{
			AJAX_GetObject('cwa'+d).innerHTML='&nbsp;';
			AJAX_GetObject('cwa'+parseInt(d)).onmouseover=null;
			AJAX_GetObject('cwa'+parseInt(d)).onmouseout=null;
			AJAX_GetObject('cwa'+parseInt(d)).style.cursor='default';
		}
	}
}

AJAX_PrepCalendar('',ajax_globalCurrentMonth,ajax_globalCurrentYear);
//AJAX_GetObject('calendarWithAjax'+cc).style.visibility='hidden';

function AJAX_ChangeToNextMonth() 
{
	thisLastDayOfMonthArray=((ajax_globalCurrentYear%4)==0)?ajax_leapYearLastDayOfMonthArray:ajax_normalLastDayOfMonthArray;
	
	ajax_globalCurrentMonth += 1;
	if (ajax_globalCurrentMonth>=12) 
	{
		ajax_globalCurrentMonth=0;
		ajax_globalCurrentYear++;
	}
	AJAX_DayOfMonthCheck();
	AJAX_PrepCalendar('',ajax_globalCurrentMonth,ajax_globalCurrentYear);
}

function AJAX_ChangeToPrevMonth() 
{
	thisLastDayOfMonthArray=((ajax_globalCurrentYear%4)==0)?ajax_leapYearLastDayOfMonthArray:ajax_normalLastDayOfMonthArray;
	
	ajax_globalCurrentMonth -= 1;
	if (ajax_globalCurrentMonth < 0) 
	{
		ajax_globalCurrentMonth = 11;
		ajax_globalCurrentYear--;
	}
	AJAX_DayOfMonthCheck();
	AJAX_PrepCalendar('',ajax_globalCurrentMonth,ajax_globalCurrentYear);
}

function AJAX_DayOfMonthCheck() 
{
	if ((ajax_globalCurrentYear > ajax_globalStartYear) || ((ajax_globalCurrentYear == ajax_globalStartYear) && (ajax_globalCurrentMonth >= ajax_globalStartMonth)))
	{
		return;
	}
	else 
	{
		ajax_globalCurrentYear = ajax_globalStartYear;
		ajax_globalCurrentMonth = ajax_globalStartMonth;
//		cfd=globalStartDayOfMonth;
	}
}