var	ie = document.all
var	dom = document.getElementById
var	ns4 = document.layers

var	fixedX = -1;
var	fixedY = -1;
var startAt = 1;
var	crossobj, monthSelected, yearSelected, dateSelected, omonthSelected, oyearSelected, odateSelected, monthConstructed, yearConstructed, ctlToPlaceValue, ctlNow, dateFormat, nStartingYear
var	bPageLoaded=false
var	today = new	Date()
var	dateNow  = today.getDate()
var	monthNow = today.getMonth()
var	yearNow  = today.getYear()
var bShow = false;

// В IE скрываем <select> и <applet>
function hideElement( elmID, overDiv )
{
  	if (ie)
	{
        for( i = 0; i < document.all.tags( elmID ).length; i++ )
        {
			obj = document.all.tags( elmID )[i];
			if( !obj || !obj.offsetParent )
			{
				continue;
			}

			// Find the element's offsetTop and offsetLeft relative to the BODY tag.
			objLeft   = obj.offsetLeft;
			objTop    = obj.offsetTop;
			objParent = obj.offsetParent;

			while( objParent.tagName.toUpperCase() != "BODY" )
			{
				objLeft  += objParent.offsetLeft;
				objTop   += objParent.offsetTop;
				objParent = objParent.offsetParent;
			}

			objHeight = obj.offsetHeight;
			objWidth = obj.offsetWidth;

			if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
			else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop );
			else if( overDiv.offsetTop >= ( objTop + objHeight ));
			else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
			else
			{
				obj.style.visibility = "hidden";
			}
		}
	}
}

// В IE открываем <select> и <applet>
function showElement( elmID )
{
	if (ie)
	{
		for( i = 0; i < document.all.tags( elmID ).length; i++ )
		{
			obj = document.all.tags( elmID )[i];

			if( !obj || !obj.offsetParent )
			{
				continue;
			}

			obj.style.visibility = "";
		}
	}
}

/*** For language packs, month/day names should be changed here  ***/
var	monthName =	new Array("Январь", "Февраль", "Март", "Апрель", "Май", "Июнь", "Июль", "Август", "Сентябрь", "Октябрь","Ноябрь", "Декабрь")
var dayName = new Array("Пн","Вт","Ср","Чт","Пт","Сб","Вс")

if (dom)
{
	document.write ("<div onclick='bShow=true' id='calendar' class='div-style'>\n");
	document.write ("<table class='table-style'>\n");
	document.write ("<tr class='title-background-style' >\n");
	document.write ("	<td>\n");
	document.write ("	<table width='100%'>\n");
	document.write ("		<tr>\n");
	document.write ("			<td class='title-style'>\n");
	document.write ("				<span id='caption'></span>\n");
	document.write ("			</td>\n");
	document.write ("		</tr>\n");
	document.write ("		</table>\n");
	document.write ("	</td>\n");
	document.write ("</tr>\n");
	document.write ("<tr>\n");
	document.write ("	<td class='body-style'>\n");
	document.write ("		<span id='content'></span>\n");
	document.write ("	</td>\n");
	document.write ("</tr>");
	document.write ("</table>")
	document.write ("</div>");
}

function hideCalendar() {
	crossobj.visibility="hidden"
	showElement( 'SELECT' );
	showElement( 'APPLET' );
}

function padZero(num) {
	return (num	< 10)? '0' + num : num ;
}

function closeCalendar() {
	var	sTmp

	hideCalendar();

	ctlToPlaceValue.value = dateSelected
}

function incMonth () {
	monthSelected++
	if (monthSelected>11) {
		monthSelected=0
		yearSelected++
	}
	constructCalendar()
}

function decMonth () {
	monthSelected--
	if (monthSelected<0) {
		monthSelected=11
		yearSelected--
	}
	constructCalendar()
}

// Календарь
function constructCalendar () {
	var dateMessage
	var	startDate =	new	Date (yearSelected,monthSelected,1)
	var	endDate = new Date (yearSelected,monthSelected+1,1);
	endDate = new Date (endDate	- (24*60*60*1000));
	numDaysInMonth = endDate.getDate()

	datePointer	= 0
	dayPointer = startDate.getDay() - startAt

	if (dayPointer < 0)
	{
		dayPointer = 6
	}

	sHTML = "<table width='100%' border='0' cellpadding='1' cellspacing='1' class='body-style'><tr>"

	for	(i=0; i<7; i++) {
		sHTML += "<td align='center'><B>"+ dayName[i]+"</B></td>"
	}
	sHTML +="</tr><tr>"

	for	( var i=1; i<=dayPointer;i++ )
	{
		sHTML += "<td>&nbsp;</td>"
	}

	for	( datePointer=1; datePointer<=numDaysInMonth; datePointer++ )
	{
		dayPointer++;
		sHTML += "<td width='15' align='center'>"

		var sStyle="normal-day-style"; //regular day

		if ((datePointer==dateNow)&&(monthSelected==monthNow)&&(yearSelected==yearNow)) //today
		{ sStyle = "current-day-style"; }

		if ((datePointer==odateSelected) &&	(monthSelected==omonthSelected) && (yearSelected==oyearSelected))
		{ sStyle += " selected-day-style"; }

		sHint = ""

		var regexp= /\"/g
		sHint=sHint.replace(regexp,"&quot;")

		sHTML += "<a class='"+sStyle+"' title=\"" + sHint + "\" href='javascript:dateSelected="+datePointer+";closeCalendar();'>" + datePointer + "</a>"
		if ((dayPointer+startAt) % 7 == startAt) {
			sHTML += "</tr><tr>"
		}
	}

	document.getElementById("content").innerHTML   = sHTML
}

function popUpCalendar(ctl,	ctl2, selMonth, selYear) {
	var	leftpos=0
	var	toppos=0

    DocumentRegisterEvents();
	if (bPageLoaded)
	{
		if ( crossobj.visibility ==	"hidden" ) {
			ctlToPlaceValue = ctl2

            dateSelected  = dateNow
			monthSelected = selMonth
			yearSelected  = selYear    

			odateSelected  = dateNow
			omonthSelected = selMonth
			oyearSelected  = selYear

			aTag = ctl
			do {
				aTag = aTag.offsetParent;
				leftpos += aTag.offsetLeft;
				toppos += aTag.offsetTop;
			} while(aTag.tagName!="BODY");

			crossobj.left = fixedX==-1 ? ctl.offsetLeft	+ leftpos + 'px':	fixedX
			crossobj.top = fixedY==-1 ?	ctl.offsetTop + toppos + ctl.offsetHeight +	2 + 'px':	fixedY
			constructCalendar (1, monthSelected, yearSelected);
			crossobj.visibility=(dom||ie)? "visible" : "show"
			
			hideElement( 'SELECT', document.getElementById("calendar") );
			hideElement( 'APPLET', document.getElementById("calendar") );			

			bShow = true;
		}
	}
	else
	{
		DateSelectorInit()
		popUpCalendar(ctl, ctl2, selMonth, selYear)
	}
}

function DateSelectorInit()	{
	if (!ns4)
	{
		if (!ie) { yearNow += 1900	}

		crossobj=(dom)?document.getElementById("calendar").style : ie? document.all.calendar : document.calendar
		hideCalendar()

		monthConstructed=false;
		yearConstructed=false;

		bPageLoaded=true
	}
}

function DocumentRegisterEvents()
{
		if (document.addEventListener) //IE
		{
				document.addEventListener("keypress", _hideCalender_Trap1, false);
				document.addEventListener("keydown", _hideCalender_Trap1, false);
		}
		else if (document.attachEvent) //W3C (Gecko...)
		{
				document.attachEvent("onkeypress", _hideCalender_Trap1);
				document.attachEvent("onkeydown", _hideCalender_Trap1);
		}
		else document.onkeypress = document.onkeydown = _hideCalender_Trap1;

		function _hideCalender_Trap1(e)
		{
				if (!e) e = window.event || null;
				if (!e) return;
				var n = e.keyCode?e.keyCode:e.charCode;
				if (n == 27)
				{
						hideCalendar();
				}				
		}

		document.onclick = function hideCalender_Trap2()
		{
				if (!bShow)
				{
						hideCalendar();
				}
				bShow = false;
		}
}