// how reliable is this test?
				 isIE = (document.all ? true : false);
	 isDOM = (document.getElementById ? true : false);

				 // Initialize arrays.
				 var months = new Array("Gen", "Feb", "Mar", "Apr", "Mag", "Giu", "Lug",
	 "Ago", "Set", "Ott", "Nov", "Dic");
				 var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31,
						30, 31, 30, 31);
	 var displayMonth = new Date().getMonth();
	 var displayYear = new Date().getFullYear();
	 var displayDivName;
	 var displayElement;

				 function getDays(month, year) {
						// Test for leap year when February is selected.
						if (1 == month)
							 return ((0 == year % 4) && (0 != (year % 100))) ||
									(0 == year % 400) ? 29 : 28;
						else
							 return daysInMonth[month];
				 }

				 function getToday() {
						// Generate today's date.
						this.now = new Date();
						this.year = this.now.getFullYear();
						this.month = this.now.getMonth();
						this.day = this.now.getDate();
				 }

				 // Start with a calendar for today.
				 today = new getToday();

				 function newCalendar(eltName,attachedElement) {
			if (attachedElement) {
				 if (displayDivName && displayDivName != eltName) hideElement(displayDivName);
				 displayElement = attachedElement;
			}
			displayDivName = eltName;
						today = new getToday();
						var parseYear = parseInt(displayYear + '');
						var newCal = new Date(parseYear,displayMonth,1);
						var day = -1;
						var startDayOfWeek = newCal.getDay();
						if ((today.year == newCal.getFullYear()) &&
									(today.month == newCal.getMonth()))
			{
							 day = today.day;
						}
						var intDaysInMonth =
							 getDays(newCal.getMonth(), newCal.getFullYear());
						var daysGrid = makeDaysGrid(startDayOfWeek,day,intDaysInMonth,newCal,eltName)
			if (isIE) {
				 var elt = document.all[eltName];
				 elt.innerHTML = daysGrid;
						} else if (isDOM) {
				 var elt = document.getElementById(eltName);
				 elt.innerHTML = daysGrid;
			} else {
				 var elt = document.layers[eltName].document;
				 elt.open();
				 elt.write(daysGrid);
				 elt.close();
			}
	 }

	 function incMonth(delta,eltName) {
		 displayMonth += delta;
		 if (displayMonth >= 12) {
			 displayMonth = 0;
			 incYear(1,eltName);
		 } else if (displayMonth <= -1) {
			 displayMonth = 11;
			 incYear(-1,eltName);
		 } else {
			 newCalendar(eltName);
		 }
	 }

	 function incYear(delta,eltName) {
		 displayYear = parseInt(displayYear + '') + delta;
		 newCalendar(eltName);
	 }

	 function makeDaysGrid(startDay,day,intDaysInMonth,newCal,eltName) {
			var daysGrid;
			var month = newCal.getMonth();
			var year = newCal.getFullYear();
			var isThisYear = (year == new Date().getFullYear());
			var isThisMonth = (day > -1)
			daysGrid = '<table bgrcolor=black border=1 cellspacing=0 cellpadding=2><tr><td bgcolor=#ffffff nowrap>';
			daysGrid += '<font face="courier new, courier" size=2 color="#000000">';
			daysGrid += '<a href="javascript:hideElement(\'' + eltName + '\')"><font color="#000000">x</font></a>';
			daysGrid += '&nbsp;&nbsp;';
			daysGrid += '<a href="javascript:incMonth(-1,\'' + eltName + '\')"><font color="#000000">&laquo;</font></a> ';

			daysGrid += '<b>';
			if (isThisMonth) { daysGrid += '<font color=red>' + months[month] + '</font>'; }
			else { daysGrid += months[month]; }
			daysGrid += '</b>';

			daysGrid += ' <a href="javascript:incMonth(1,\'' + eltName + '\')"><font color="#000000">&raquo;</font></a>';
			daysGrid += '&nbsp;&nbsp;&nbsp;';
			daysGrid += '<a href="javascript:incYear(-1,\'' + eltName + '\')"><font color="#000000">&laquo;</font></a> ';

			daysGrid += '<b>';
			if (isThisYear) { daysGrid += '<font color=red>' + year + '</font>'; }
			else { daysGrid += ''+year; }
			daysGrid += '</b>';

			daysGrid += ' <a href="javascript:incYear(1,\'' + eltName + '\')"><font color="#000000">&raquo;</font></a></a><br>';
			daysGrid += '&nbsp;Do Lu Ma Me Gi Ve Sa&nbsp;<br>&nbsp;';
			var dayOfMonthOfFirstSunday = (7 - startDay + 1);
			for (var intWeek = 0; intWeek < 6; intWeek++) {
				 var dayOfMonth;
				 for (var intDay = 0; intDay < 7; intDay++) {
					 dayOfMonth = (intWeek * 7) + intDay + dayOfMonthOfFirstSunday - 7;
		 if (dayOfMonth <= 0) {
						 daysGrid += "&nbsp;&nbsp; ";
		 } else if (dayOfMonth <= intDaysInMonth) {
			 var color = "blue";
			 if (day > 0 && day == dayOfMonth) color="red";
			 daysGrid += '<a href="javascript:setDay(';
			 daysGrid += dayOfMonth + ',\'' + eltName + '\')" '
			 daysGrid += 'style="color:' + color + '">';
			 var dayString = dayOfMonth + "</a> ";
			 if (dayString.length == 6) dayString = '0' + dayString;
			 daysGrid += dayString;
		 }
				 }
				 if (dayOfMonth < intDaysInMonth) daysGrid += "<br>&nbsp;";
			}
			return daysGrid + "</td></tr></table>";
	 }

	 function setDay(day,eltName) {
		 displayElement.value = day + "-" + (displayMonth + 1) + "-" + displayYear;
		 hideElement(eltName);
	 }


// get the true offset of anything on NS4, IE4/5 & NS6, even if it's in a table!
function getAbsX(elt) { return (elt.x) ? elt.x : getAbsPos(elt,"Left"); }
function getAbsY(elt) { return (elt.y) ? elt.y : getAbsPos(elt,"Top"); }
function getAbsPos(elt,which) {
 iPos = 0;
 while (elt != null) {
	iPos += elt["offset" + which];
	elt = elt.offsetParent;
 }
 return iPos;
}

function fixPosition(divname) {
 divstyle = getDivStyle(divname);
 positionerImgName = divname + 'Pos';
 // hint: try setting isPlacedUnder to false
 isPlacedUnder = false;
 if (isPlacedUnder) {
	setPosition(divstyle,positionerImgName,true);
 } else {
	setPosition(divstyle,positionerImgName)
 }
}

function toggleDatePicker(eltName,formElt) {
	var x = formElt.indexOf('.');
	var formName = formElt.substring(0,x);
	var formEltName = formElt.substring(x+1);
	newCalendar(eltName,document.forms[formName].elements[formEltName]);
	toggleVisible(eltName);
}

// fixPositions() puts everything back in the right place after a resize.
function fixPositions()
{
 // add a fixPosition call here for every element
 // you think might get stranded in a resize/reflow.
 fixPosition('daysOfMonth');
 fixPosition('daysOfMonth2');
}



function getDivStyle(divname) {
 var style;
 if (isDOM) { style = document.getElementById(divname).style; }
 else { style = isIE ? document.all[divname].style
										 : document.layers[divname]; } // NS4
 return style;
}

function hideElement(divname) {
 getDivStyle(divname).visibility = 'hidden';
}

// annoying detail: IE and NS6 store elt.top and elt.left as strings.
function moveBy(elt,deltaX,deltaY) {
 elt.left = parseInt(elt.left) + deltaX;
 elt.top = parseInt(elt.top) + deltaY;
}

function toggleVisible(divname) {
 divstyle = getDivStyle(divname);
 if (divstyle.visibility == 'visible' || divstyle.visibility == 'show') {
	 divstyle.visibility = 'hidden';
 } else {
	 fixPosition(divname);
	 divstyle.visibility = 'visible';
 }
}

function setPosition(elt,positionername,isPlacedUnder) {
 var positioner;
 if (isIE) {
	positioner = document.all[positionername];
 } else {
	if (isDOM) {
		positioner = document.getElementById(positionername);
	} else {
		// not IE, not DOM (probably NS4)
		// if the positioner is inside a netscape4 layer this will *not* find it.
		// I should write a finder function which will recurse through all layers
		// until it finds the named image...
		positioner = document.images[positionername];
	}
 }
 elt.left = getAbsX(positioner);
 elt.top = getAbsY(positioner) + (isPlacedUnder ? positioner.height : 0);
}