var today = new Date(new Date().valueOf());
var dateBoxPieceBlank = "<td width=\"22\" height=\"18\" align=\"center\" valign=\"middle\" bgcolor=\"#FFFFFF\" class=\"calendar\">&nbsp;</td>";
var dateBoxPiece = "<td class=\"calendar\" width=\"22\" height=\"18\" align=\"center\" valign=\"middle\" onMouseOver=\"this.style.background = '#FFFF93';\" onMouseOut=\"this.style.background = '##BGCOLOR##';\" onClick=\"setDateBoxes('##DATESET##',##MONTH##,##DAY##,##YEAR##)\" bgcolor=\"##BGCOLOR##\">##DAY##</td>";
var baseDateBoxHeader = "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"158\">\n";
baseDateBoxHeader += "<tr>\n";
baseDateBoxHeader += "<td colspan=\"7\" align=\"center\">\n";
baseDateBoxHeader += "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"158\">\n";
baseDateBoxHeader += "<tr>\n";
baseDateBoxHeader += "<td width=\"33%\" class=\"calendar\"><div name=\"back\" style=\"width: 15; border: 1 solid buttonface; border: 2 outset buttonhighlight; background-color: menu;\" align=\"center\" onMouseDown=\"this.style.border = '2 inset buttonhighlight'\" onMouseUp=\"this.style.border = '2 outset buttonhighlight'\" onClick=\"previousMonth('##DATESET##')\"><b>&lt;</b></div></td>\n";
baseDateBoxHeader += "<td width=\"33%\" class=\"calendar\" nowrap><font face=\"Arial\" size=\"2\" color=\"#B92333\"><b>##MONTHNAME## ##YEAR##</b></font></td>\n";
baseDateBoxHeader += "<td width=\"33%\" class=\"calendar\" align=\"right\"><div name=\"next\" style=\"width: 15; border: 1 solid buttonface; border: 2 outset buttonhighlight; background-color: menu;\" align=\"center\" onMouseDown=\"this.style.border = '2 inset buttonhighlight'\" onMouseUp=\"this.style.border = '2 outset buttonhighlight'\" onClick=\"nextMonth('##DATESET##')\"><b>&gt;</b></div></td>\n";
baseDateBoxHeader += "</tr>\n";
baseDateBoxHeader += "</table>\n";
baseDateBoxHeader += "</td>\n";
baseDateBoxHeader += "</tr>\n";
baseDateBoxHeader += "<tr>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Sun</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Mon</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Tue</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Wed</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Thu</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Fri</font></td>\n";
baseDateBoxHeader += "<td class=\"calendar\" bgcolor=\"#B92333\" align=\"center\"><font color=\"#FFFFFF\">Sat</font></td>\n";
baseDateBoxHeader += "</tr>";
var dateBoxFooter = "<tr>\n";
dateBoxFooter += "<td class=\"calendar\" colspan=\"7\" align=\"center\"><div name=\"close_btn\" style=\"width: 50; height: 15; border: 1 solid buttonface; border: 2 outset buttonhighlight; background-color: menu;\" align=\"center\" onMouseDown=\"this.style.border = '2 inset buttonhighlight'\" onMouseUp=\"this.style.border = '2 outset buttonhighlight'\" onClick=\"hideCalendar()\">CLOSE</div></td>\n";
dateBoxFooter += "</tr>\n</table>\n";
var calBuffer = "";
var caldays = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
var months = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
function isLeapYear(yr) {
	if (((yr % 4 == 0) && (yr % 100 != 0)) || (yr % 400 == 0)) {
		return true;
	} else {
		return false;
	}
}
function GetDOW2(d,m,y) {
	var dt = new Date(y,m-1,d);
	return (dt.getDay())%7;
}
var selectBoxFlag = 0;
var maxYear = 0;
var minYear = 0;


function displayCalendar(hideSelects, inDateSet, e) {
	var xMousePos = 0; 
	var yMousePos = 0;
	var theForm = document.searchform;
	selectBoxFlag = hideSelects;
	var inYear = theForm.chinyear.options[theForm.chinyear.selectedIndex].value;  
	var mon = parseInt(theForm.chinmonth.options[theForm.chinmonth.selectedIndex].value,10); 
	var day = parseInt(theForm.chinday.options[theForm.chinday.selectedIndex].value,10);
	var year = parseInt(theForm.chinyear.options[theForm.chinyear.selectedIndex].value,10);
	currentMonth = mon;
	currentYear = year;
	currentDay = day; 
	maxYear = parseInt(theForm.chinyear.options[(theForm.chinyear.options.length-1)].value,10);
	minYear = parseInt(theForm.chinyear.options[0].value,10);
	drawCalendarBody(inDateSet,mon,day,year);
	
	if(document.all) {
		xMousePos = event.x - event.offsetX + document.body.scrollLeft + 'px';
		yMousePos = event.y - event.offsetY + document.body.scrollTop + 'px';
	}
	else {
		xMousePos = e.pageX + 'px';
        yMousePos = e.pageY + 'px';
	}
		
	document.getElementById('CAL').style.left = xMousePos;
	document.getElementById('CAL').style.top =  yMousePos;
	document.getElementById('CAL').style.visibility = "visible";
	if (selectBoxFlag == 1) {
		if (theForm.nights) theForm.nights.style.visibility = "hidden";
		if (theForm.children1) theForm.children1.style.visibility = "hidden";
		if (theForm.children2) theForm.children2.style.visibility = "hidden";
		if (theForm.children3) theForm.children3.style.visibility = "hidden";
		if (theForm.children4) theForm.children4.style.visibility = "hidden";
		if (theForm.childage11) theForm.childage11.style.visibility = "hidden";
		if (theForm.childage21) theForm.childage21.style.visibility = "hidden";
		if (theForm.childage31)	theForm.childage31.style.visibility = "hidden";
		if (theForm.childage41) theForm.childage41.style.visibility = "hidden";
	}
	if (selectBoxFlag == 2) {
		if (theForm.nights) theForm.nights.style.visibility = "hidden";
		if (theForm.rooms) theForm.rooms.style.visibility = "hidden";
		if (theForm.childage11) theForm.childage11.style.visibility = "hidden";
		if (theForm.childage21) theForm.childage21.style.visibility = "hidden";
		if (theForm.childage31)	theForm.childage31.style.visibility = "hidden";
		if (theForm.childage41) theForm.childage41.style.visibility = "hidden";
		if (theForm.childage51) theForm.childage51.style.visibility = "hidden";
		if (theForm.childage12) theForm.childage12.style.visibility = "hidden";
		if (theForm.childage22) theForm.childage22.style.visibility = "hidden";
		if (theForm.childage32)	theForm.childage32.style.visibility = "hidden";
		if (theForm.childage42) theForm.childage42.style.visibility = "hidden";
		if (theForm.childage52) theForm.childage52.style.visibility = "hidden";
	}
}
function hideCalendar() {
	var theForm = document.searchform;
	document.getElementById('CAL').style.visibility = "hidden"; 
	if (selectBoxFlag == 1) {   
		if (theForm.nights) theForm.nights.style.visibility = "visible";
		if (theForm.children1) theForm.children1.style.visibility = "visible";
		if (theForm.children2) theForm.children2.style.visibility = "visible";
		if (theForm.children3) theForm.children3.style.visibility = "visible";
		if (theForm.children4) theForm.children4.style.visibility = "visible";
		if (theForm.childage11) theForm.childage11.style.visibility = "visible";
		if (theForm.childage21) theForm.childage21.style.visibility = "visible";
		if (theForm.childage31)	theForm.childage31.style.visibility = "visible";
		if (theForm.childage41) theForm.childage41.style.visibility = "visible";
	}
	if (selectBoxFlag == 2) {
		if (theForm.nights) theForm.nights.style.visibility = "visible";
		if (theForm.rooms) theForm.rooms.style.visibility = "visible";
		if (theForm.childage11) theForm.childage11.style.visibility = "visible";
		if (theForm.childage21) theForm.childage21.style.visibility = "visible";
		if (theForm.childage31)	theForm.childage31.style.visibility = "visible";
		if (theForm.childage41) theForm.childage41.style.visibility = "visible";
		if (theForm.childage51) theForm.childage51.style.visibility = "visible";
		if (theForm.childage12) theForm.childage12.style.visibility = "visible";
		if (theForm.childage22) theForm.childage22.style.visibility = "visible";
		if (theForm.childage32)	theForm.childage32.style.visibility = "visible";
		if (theForm.childage42) theForm.childage42.style.visibility = "visible";
		if (theForm.childage52) theForm.childage52.style.visibility = "visible";
	}
}
function nextMonth(inDateSet) {
	currentMonth += 1;
	if (currentMonth > 12 && currentYear + 1 <= maxYear) {
		currentMonth = 1;
		currentYear++;
	}
	if (currentMonth > 12) {
		currentMonth = 12;
	}
	if(currentMonth == (today.getMonth()+1) && currentYear == today.getYear()) {
		drawCalendarBody(inDateSet,currentMonth,currentDay,currentYear);
	} else {
		drawCalendarBody(inDateSet,currentMonth,0,currentYear);
	}
}
function previousMonth(inDateSet) {
	if ((currentMonth - 1) < (today.getMonth()+1) && currentYear <= today.getYear()) {
		
	} else {
		currentMonth -= 1;
		if (currentMonth < 1 && currentYear - 1 >= minYear) {
			currentMonth = 12;
			currentYear -= 1;
		}
		if (currentMonth == (today.getMonth()+1) && currentYear == today.getYear()) {
			drawCalendarBody(inDateSet,currentMonth,currentDay,currentYear);
		} else {
			drawCalendarBody(inDateSet,currentMonth,0,currentYear);
		}
	}
}
var currentMonth = 1;
var currentYear = y2k(today.getYear());
var currentDay = 1;
function drawCalendarBody(inDateSet,mon,day,year) {
	calObj = document.getElementById('CAL').CAL_BODY;
	var dowStartPos = GetDOW2(1,mon,year);
	var finalDay = caldays[(mon-1)];
	if (isLeapYear(year) && mon == 2) {
		finalDay += 1;
	}
	re_MonthName = /##MONTHNAME##/g;
	re_Year = /##YEAR##/g;
	re_DateSet = /##DATESET##/g;
	dateBoxHeader = baseDateBoxHeader;
	dateBoxHeader = dateBoxHeader.replace(re_MonthName,months[(mon-1)]);
	dateBoxHeader = dateBoxHeader.replace(re_Year,""+year);
	dateBoxHeader = dateBoxHeader.replace(re_DateSet,""+inDateSet);
	calBuffer = generateGrid(inDateSet,dowStartPos,finalDay, mon,day,year);
	document.getElementById('CAL_BODY').innerHTML = dateBoxHeader + calBuffer + dateBoxFooter;
}
function generateGrid(inDateSet,startPos,endPos,m,d,y) {
	var currentDay=1;
	var gridCount=0;
	var doBlanks=true;
	var tmpBuffer="";
	re_Month = /##MONTH##/g;
	re_Day = /##DAY##/g;
	re_Year = /##YEAR##/g;
	re_BGColor = /##BGCOLOR##/g;
	re_DateSet = /##DATESET##/g;
	for (var i=0;i<6;i++) {
		tmpBuffer += "<tr>\n";
		for (var j=0;j<7;j++) {
			if(gridCount < startPos || currentDay > endPos) {
				tmpBuffer += dateBoxPieceBlank + "\n";
			} else {
				pasrsedDBP = dateBoxPiece;
				pasrsedDBP = pasrsedDBP.replace(re_Month,""+m);
				pasrsedDBP = pasrsedDBP.replace(re_Day,""+currentDay);
				pasrsedDBP = pasrsedDBP.replace(re_Year,""+y);
				pasrsedDBP = pasrsedDBP.replace(re_DateSet,""+inDateSet);
				if (currentDay == d) {
					pasrsedDBP = pasrsedDBP.replace(re_BGColor,"#BFC1FF");
				} else {
					pasrsedDBP = pasrsedDBP.replace(re_BGColor,"#FFFFFF");
				}
				tmpBuffer += pasrsedDBP + "\n";
				currentDay++;
			}
			gridCount++;
		}
		tmpBuffer += "</tr>\n";
	}
	return tmpBuffer;
}
function setDateBoxes(whichDateSet,m,d,y) {
	var theForm = document.searchform;
	eval("monthObj = theForm.ch"+whichDateSet+"month;");
	eval("dayObj = theForm.ch"+whichDateSet+"day;");
	eval("yearObj = theForm.ch"+whichDateSet+"year;");
	var yearOffset = parseInt(theForm.chinyear.options[0].value,10);
	monthObj.options[(m-1)].selected = true;  dayObj.options[(d-1)].selected = true;
	yearObj.options[(y-yearOffset)].selected = true;
	changeDate();
	hideCalendar();
}
function y2k(number) {
	return (number < 1000) ? number + 1900 : number;
}