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Javascript Calendar

Posted on 2009-02-17
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Last Modified: 2012-05-06
Hi All

I am having some problems with a javascript calendar I have. I really like it and want to carry on using it, however there seems to be a problem with it with different browsers.

Firstly, I created a small page to show the problem (below) and the popcalendar.js file attached as code.

Firstly, with IE the <body onload = "insertfields('Automaticly inserted');"> does not put the text into the field as required, however the calendar works perfectly.

With FX, the <body onload = "insertfields('Automaticly inserted');"> puts the text into the field perfectly, but the calendar does not display when the input box is clicked. The calendar does work with FX if I take the <body onload = "insertfields('Automaticly inserted');"> out, however the calender is always displayed in the top left of the page and not belwo the field like in IE.

So I need 2 things:
1) The body onload must work with both IE and FX and insert the field properly.
2) With FX, the calendar must be displayed below the input field like in IE.

I have really been struggling with this and dont know what it is. I would assing more than 500 points if I could.

Thanks in advance.
Leon



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>

      <meta name="keywords" content="" />
        <meta name="description" content="" http-equiv="undefined">
        <meta content="general" name="rating">
        <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
        <script type = "text/javascript" src="popcalendar.js"></script>
        
</head>

<body onload = "insertfields('Automaticly inserted');">

      <form name="test"">

            <table>
                  <tr>
                        <td>Field 1:</td>
                        <td><input type="text" id = "testfield" name="testfield" /></td>
                  </tr>
                  <tr>
                        <td>Date 1:</td>
                        <td><input type="text" readonly name="ExpiryDate" onfocus="popUpCalendar(this, this, 'dd/mm/yyyy')" /></td>
                  </tr>
                  <tr>
                        <td>Date 2:</td>
                        <td><input type="text" readonly name="ExpiryDate2" onfocus="popUpCalendar(this, this, 'dd/mm/yyyy')" /></td>
                  </tr>
            </table>
            
      </form>
      
<script type = "text/javascript">

      function insertfields(test)
      {
            document.getElementById('testfield').value = test;
      }

</script>

</body>

</html>


	var	fixedX = -1			// x position (-1 if to appear below control)
	var	fixedY = -1			// y position (-1 if to appear below control)
	var startAt = 1			// 0 - sunday ; 1 - monday
	var showWeekNumber = 1	// 0 - don't show; 1 - show
	var showToday = 1		// 0 - don't show; 1 - show
	var imgDir = ""			// directory for images ... e.g. var imgDir="/img/"
 
	var gotoString = "Go To Current Month"
	var todayString = "Today is"
	var weekString = "Wk"
	var scrollLeftMessage = "Click to scroll to previous month. Hold mouse button to scroll automatically."
	var scrollRightMessage = "Click to scroll to next month. Hold mouse button to scroll automatically."
	var selectMonthMessage = "Click to select a month."
	var selectYearMessage = "Click to select a year."
	var selectDateMessage = "Select [date] as date." // do not replace [date], it will be replaced by date.
 
	var	crossobj, crossMonthObj, crossYearObj, monthSelected, yearSelected, dateSelected, omonthSelected, oyearSelected, odateSelected, monthConstructed, yearConstructed, intervalID1, intervalID2, timeoutID1, timeoutID2, ctlToPlaceValue, ctlNow, dateFormat, nStartingYear
 
	var	bPageLoaded=false
	var	ie=document.all
	var	dom=document.getElementById
 
	var	ns4=document.layers
	var	today =	new	Date()
	var	dateNow	 = today.getDate()
	var	monthNow = today.getMonth()
	var	yearNow	 = today.getYear()
	var	imgsrc = new Array("drop1.gif","drop2.gif","left1.gif","left2.gif","right1.gif","right2.gif")
	var	img	= new Array()
 
	var bShow = false;
 
    /* hides <select> and <applet> objects (for IE only) */
    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";
          }
        }
      }
    }
     
    /*
    * unhides <select> and <applet> objects (for IE only)
    */
    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 = "";
        }
      }
    }
 
	function HolidayRec (d, m, y, desc)
	{
		this.d = d
		this.m = m
		this.y = y
		this.desc = desc
	}
 
	var HolidaysCounter = 0
	var Holidays = new Array()
 
	function addHoliday (d, m, y, desc)
	{
		Holidays[HolidaysCounter++] = new HolidayRec ( d, m, y, desc )
	}
 
	if (dom)
	{
		for	(i=0;i<imgsrc.length;i++)
		{
			img[i] = new Image
			img[i].src = imgDir + imgsrc[i]
		}
		document.write ("<div onclick='bShow=true' id='calendar'	style='z-index:+999;position:absolute;visibility:hidden;'><table	width="+((showWeekNumber==1)?250:220)+" style='font-family:arial;font-size:11px;border-width:1;border-style:solid;border-color:#a0a0a0;font-family:arial; font-size:11px}' bgcolor='#ffffff'><tr bgcolor='#000080'><td><table width='"+((showWeekNumber==1)?248:218)+"'><tr><td style='padding:2px;font-family:arial; font-size:11px;'><font color='#ffffff'><B><span id='caption'></span></B></font></td><td align=right><a href='javascript:hideCalendar()'><IMG SRC='"+imgDir+"close.gif' WIDTH='15' HEIGHT='13' BORDER='0' ALT='Close the Calendar'></a></td></tr></table></td></tr><tr><td style='padding:5px' bgcolor=#ffffff><span id='content'></span></td></tr>")
			
		if (showToday==1)
		{
			document.write ("<tr bgcolor=#f0f0f0><td style='padding:5px' align=center><span id='lblToday'></span></td></tr>")
		}
			
		document.write ("</table></div><div id='selectMonth' style='z-index:+999;position:absolute;visibility:hidden;'></div><div id='selectYear' style='z-index:+999;position:absolute;visibility:hidden;'></div>");
	}
 
	var	monthName =	new	Array("January","February","March","April","May","June","July","August","September","October","November","December")
	if (startAt==0)
	{
		dayName = new Array	("Sun","Mon","Tue","Wed","Thu","Fri","Sat")
	}
	else
	{
		dayName = new Array	("Mon","Tue","Wed","Thu","Fri","Sat","Sun")
	}
	var	styleAnchor="text-decoration:none;color:black;"
	var	styleLightBorder="border-style:solid;border-width:1px;border-color:#a0a0a0;"
 
	function swapImage(srcImg, destImg){
		if (ie)	{ document.getElementById(srcImg).setAttribute("src",imgDir + destImg) }
	}
 
	function init()	{
		if (!ns4)
		{
			if (!ie) { yearNow += 1900	}
 
			crossobj=(dom)?document.getElementById("calendar").style : ie? document.all.calendar : document.calendar
			hideCalendar()
 
			crossMonthObj=(dom)?document.getElementById("selectMonth").style : ie? document.all.selectMonth	: document.selectMonth
 
			crossYearObj=(dom)?document.getElementById("selectYear").style : ie? document.all.selectYear : document.selectYear
 
			monthConstructed=false;
			yearConstructed=false;
 
			if (showToday==1)
			{
				document.getElementById("lblToday").innerHTML =	todayString + " <a onmousemove='window.status=\""+gotoString+"\"' onmouseout='window.status=\"\"' title='"+gotoString+"' style='"+styleAnchor+"' href='javascript:monthSelected=monthNow;yearSelected=yearNow;constructCalendar();'>"+dayName[(today.getDay()-startAt==-1)?6:(today.getDay()-startAt)]+", " + dateNow + " " + monthName[monthNow].substring(0,3)	+ "	" +	yearNow	+ "</a>"
			}
 
			sHTML1="<span id='spanLeft'	style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeLeft\",\"left2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+scrollLeftMessage+"\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"left1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeLeft' SRC='"+imgDir+"left1.gif' width=10 height=11 BORDER=0>&nbsp</span>&nbsp;"
			sHTML1+="<span id='spanRight' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeRight\",\"right2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+scrollRightMessage+"\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"right1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeRight' SRC='"+imgDir+"right1.gif'	width=10 height=11 BORDER=0>&nbsp</span>&nbsp"
			sHTML1+="<span id='spanMonth' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeMonth\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+selectMonthMessage+"\"' onmouseout='swapImage(\"changeMonth\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;"
			sHTML1+="<span id='spanYear' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeYear\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+selectYearMessage+"\"'	onmouseout='swapImage(\"changeYear\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"'	onclick='popUpYear()'></span>&nbsp;"
			
			document.getElementById("caption").innerHTML  =	sHTML1
 
			bPageLoaded=true
		}
	}
 
	function hideCalendar()	{
		crossobj.visibility="hidden"
		if (crossMonthObj != null){crossMonthObj.visibility="hidden"}
		if (crossYearObj !=	null){crossYearObj.visibility="hidden"}
 
	    showElement( 'SELECT' );
		showElement( 'APPLET' );
	}
 
	function padZero(num) {
		return (num	< 10)? '0' + num : num ;
	}
 
	function constructDate(d,m,y)
	{
		sTmp = dateFormat
		sTmp = sTmp.replace	("dd","<e>")
		sTmp = sTmp.replace	("d","<d>")
		sTmp = sTmp.replace	("<e>",padZero(d))
		sTmp = sTmp.replace	("<d>",d)
		sTmp = sTmp.replace	("mmm","<o>")
		sTmp = sTmp.replace	("mm","<n>")
		sTmp = sTmp.replace	("m","<m>")
		sTmp = sTmp.replace	("<m>",m+1)
		sTmp = sTmp.replace	("<n>",padZero(m+1))
		sTmp = sTmp.replace	("<o>",monthName[m])
		return sTmp.replace ("yyyy",y)
	}
 
	function closeCalendar() {
		var	sTmp
 
		hideCalendar();
		ctlToPlaceValue.value =	constructDate(dateSelected,monthSelected,yearSelected)
	}
 
	/*** Month Pulldown	***/
 
	function StartDecMonth()
	{
		intervalID1=setInterval("decMonth()",80)
	}
 
	function StartIncMonth()
	{
		intervalID1=setInterval("incMonth()",80)
	}
 
	function incMonth () {
		monthSelected++
		if (monthSelected>11) {
			monthSelected=0
			yearSelected++
		}
		constructCalendar()
	}
 
	function decMonth () {
		monthSelected--
		if (monthSelected<0) {
			monthSelected=11
			yearSelected--
		}
		constructCalendar()
	}
 
	function constructMonth() {
		popDownYear()
		if (!monthConstructed) {
			sHTML =	""
			for	(i=0; i<12;	i++) {
				sName =	monthName[i];
				if (i==monthSelected){
					sName =	"<B>" +	sName +	"</B>"
				}
				sHTML += "<tr><td id='m" + i + "' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='this.style.backgroundColor=\"\"' style='cursor:pointer' onclick='monthConstructed=false;monthSelected=" + i + ";constructCalendar();popDownMonth();event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>"
			}
 
			document.getElementById("selectMonth").innerHTML = "<table width=70	style='font-family:arial; font-size:11px; border-width:1; border-style:solid; border-color:#a0a0a0;' bgcolor='#FFFFDD' cellspacing=0 onmouseover='clearTimeout(timeoutID1)'	onmouseout='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"popDownMonth()\",100);event.cancelBubble=true'>" +	sHTML +	"</table>"
 
			monthConstructed=true
		}
	}
 
	function popUpMonth() {
		constructMonth()
		crossMonthObj.visibility = (dom||ie)? "visible"	: "show"
		crossMonthObj.left = parseInt(crossobj.left) + 50
		crossMonthObj.top =	parseInt(crossobj.top) + 26
 
		hideElement( 'SELECT', document.getElementById("selectMonth") );
		hideElement( 'APPLET', document.getElementById("selectMonth") );			
	}
 
	function popDownMonth()	{
		crossMonthObj.visibility= "hidden"
	}
 
	/*** Year Pulldown ***/
 
	function incYear() {
		for	(i=0; i<7; i++){
			newYear	= (i+nStartingYear)+1
			if (newYear==yearSelected)
			{ txtYear =	"&nbsp;<B>"	+ newYear +	"</B>&nbsp;" }
			else
			{ txtYear =	"&nbsp;" + newYear + "&nbsp;" }
			document.getElementById("y"+i).innerHTML = txtYear
		}
		nStartingYear ++;
		bShow=true
	}
 
	function decYear() {
		for	(i=0; i<7; i++){
			newYear	= (i+nStartingYear)-1
			if (newYear==yearSelected)
			{ txtYear =	"&nbsp;<B>"	+ newYear +	"</B>&nbsp;" }
			else
			{ txtYear =	"&nbsp;" + newYear + "&nbsp;" }
			document.getElementById("y"+i).innerHTML = txtYear
		}
		nStartingYear --;
		bShow=true
	}
 
	function selectYear(nYear) {
		yearSelected=parseInt(nYear+nStartingYear);
		yearConstructed=false;
		constructCalendar();
		popDownYear();
	}
 
	function constructYear() {
		popDownMonth()
		sHTML =	""
		if (!yearConstructed) {
 
			sHTML =	"<tr><td align='center'	onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID1);this.style.backgroundColor=\"\"' style='cursor:pointer'	onmousedown='clearInterval(intervalID1);intervalID1=setInterval(\"decYear()\",30)' onmouseup='clearInterval(intervalID1)'>-</td></tr>"
 
			j =	0
			nStartingYear =	yearSelected-3
			for	(i=(yearSelected-3); i<=(yearSelected+3); i++) {
				sName =	i;
				if (i==yearSelected){
					sName =	"<B>" +	sName +	"</B>"
				}
 
				sHTML += "<tr><td id='y" + j + "' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='this.style.backgroundColor=\"\"' style='cursor:pointer' onclick='selectYear("+j+");event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>"
				j ++;
			}
 
			sHTML += "<tr><td align='center' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID2);this.style.backgroundColor=\"\"' style='cursor:pointer' onmousedown='clearInterval(intervalID2);intervalID2=setInterval(\"incYear()\",30)'	onmouseup='clearInterval(intervalID2)'>+</td></tr>"
 
			document.getElementById("selectYear").innerHTML	= "<table width=44 style='font-family:arial; font-size:11px; border-width:1; border-style:solid; border-color:#a0a0a0;'	bgcolor='#FFFFDD' onmouseover='clearTimeout(timeoutID2)' onmouseout='clearTimeout(timeoutID2);timeoutID2=setTimeout(\"popDownYear()\",100)' cellspacing=0>"	+ sHTML	+ "</table>"
 
			yearConstructed	= true
		}
	}
 
	function popDownYear() {
		clearInterval(intervalID1)
		clearTimeout(timeoutID1)
		clearInterval(intervalID2)
		clearTimeout(timeoutID2)
		crossYearObj.visibility= "hidden"
	}
 
	function popUpYear() {
		var	leftOffset
 
		constructYear()
		crossYearObj.visibility	= (dom||ie)? "visible" : "show"
		leftOffset = parseInt(crossobj.left) + document.getElementById("spanYear").offsetLeft
		if (ie)
		{
			leftOffset += 6
		}
		crossYearObj.left =	leftOffset
		crossYearObj.top = parseInt(crossobj.top) +	26
	}
 
	/*** calendar ***/
   function WeekNbr(n) {
      // Algorithm used:
      // From Klaus Tondering's Calendar document (The Authority/Guru)
      // hhtp://www.tondering.dk/claus/calendar.html
      // a = (14-month) / 12
      // y = year + 4800 - a
      // m = month + 12a - 3
      // J = day + (153m + 2) / 5 + 365y + y / 4 - y / 100 + y / 400 - 32045
      // d4 = (J + 31741 - (J mod 7)) mod 146097 mod 36524 mod 1461
      // L = d4 / 1460
      // d1 = ((d4 - L) mod 365) + L
      // WeekNumber = d1 / 7 + 1
 
      year = n.getFullYear();
      month = n.getMonth() + 1;
      if (startAt == 0) {
         day = n.getDate() + 1;
      }
      else {
         day = n.getDate();
      }
 
      a = Math.floor((14-month) / 12);
      y = year + 4800 - a;
      m = month + 12 * a - 3;
      b = Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400);
      J = day + Math.floor((153 * m + 2) / 5) + 365 * y + b - 32045;
      d4 = (((J + 31741 - (J % 7)) % 146097) % 36524) % 1461;
      L = Math.floor(d4 / 1460);
      d1 = ((d4 - L) % 365) + L;
      week = Math.floor(d1/7) + 1;
 
      return week;
   }
 
	function constructCalendar () {
		var aNumDays = Array (31,0,31,30,31,30,31,31,30,31,30,31)
 
		var dateMessage
		var	startDate =	new	Date (yearSelected,monthSelected,1)
		var endDate
 
		if (monthSelected==1)
		{
			endDate	= new Date (yearSelected,monthSelected+1,1);
			endDate	= new Date (endDate	- (24*60*60*1000));
			numDaysInMonth = endDate.getDate()
		}
		else
		{
			numDaysInMonth = aNumDays[monthSelected];
		}
 
		datePointer	= 0
		dayPointer = startDate.getDay() - startAt
		
		if (dayPointer<0)
		{
			dayPointer = 6
		}
 
		sHTML =	"<table	 border=0 style='font-family:verdana;font-size:10px;'><tr>"
 
		if (showWeekNumber==1)
		{
			sHTML += "<td width=27><b>" + weekString + "</b></td><td width=1 rowspan=7 bgcolor='#d0d0d0' style='padding:0px'><img src='"+imgDir+"divider.gif' width=1></td>"
		}
 
		for	(i=0; i<7; i++)	{
			sHTML += "<td width='27' align='right'><B>"+ dayName[i]+"</B></td>"
		}
		sHTML +="</tr><tr>"
		
		if (showWeekNumber==1)
		{
			sHTML += "<td align=right>" + WeekNbr(startDate) + "&nbsp;</td>"
		}
 
		for	( var i=1; i<=dayPointer;i++ )
		{
			sHTML += "<td>&nbsp;</td>"
		}
	
		for	( datePointer=1; datePointer<=numDaysInMonth; datePointer++ )
		{
			dayPointer++;
			sHTML += "<td align=right>"
			sStyle=styleAnchor
			if ((datePointer==odateSelected) &&	(monthSelected==omonthSelected)	&& (yearSelected==oyearSelected))
			{ sStyle+=styleLightBorder }
 
			sHint = ""
			for (k=0;k<HolidaysCounter;k++)
			{
				if ((parseInt(Holidays[k].d)==datePointer)&&(parseInt(Holidays[k].m)==(monthSelected+1)))
				{
					if ((parseInt(Holidays[k].y)==0)||((parseInt(Holidays[k].y)==yearSelected)&&(parseInt(Holidays[k].y)!=0)))
					{
						sStyle+="background-color:#FFDDDD;"
						sHint+=sHint==""?Holidays[k].desc:"\n"+Holidays[k].desc
					}
				}
			}
 
			var regexp= /\"/g
			sHint=sHint.replace(regexp,"&quot;")
 
			dateMessage = "onmousemove='window.status=\""+selectDateMessage.replace("[date]",constructDate(datePointer,monthSelected,yearSelected))+"\"' onmouseout='window.status=\"\"' "
 
			if ((datePointer==dateNow)&&(monthSelected==monthNow)&&(yearSelected==yearNow))
			{ sHTML += "<b><a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer+";closeCalendar();'><font color=#ff0000>&nbsp;" + datePointer + "</font>&nbsp;</a></b>"}
			else if	(dayPointer % 7 == (startAt * -1)+1)
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer + ";closeCalendar();'>&nbsp;<font color=#909090>" + datePointer + "</font>&nbsp;</a>" }
			else
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" style='"+sStyle+"' href='javascript:dateSelected="+datePointer + ";closeCalendar();'>&nbsp;" + datePointer + "&nbsp;</a>" }
 
			sHTML += ""
			if ((dayPointer+startAt) % 7 == startAt) { 
				sHTML += "</tr><tr>" 
				if ((showWeekNumber==1)&&(datePointer<numDaysInMonth))
				{
					sHTML += "<td align=right>" + (WeekNbr(new Date(yearSelected,monthSelected,datePointer+1))) + "&nbsp;</td>"
				}
			}
		}
 
		document.getElementById("content").innerHTML   = sHTML
		document.getElementById("spanMonth").innerHTML = "&nbsp;" +	monthName[monthSelected] + "&nbsp;<IMG id='changeMonth' SRC='"+imgDir+"drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
		document.getElementById("spanYear").innerHTML =	"&nbsp;" + yearSelected	+ "&nbsp;<IMG id='changeYear' SRC='"+imgDir+"drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
	}
 
	function popUpCalendar(ctl,	ctl2, format) {
		var	leftpos=0
		var	toppos=0
 
		if (bPageLoaded)
		{
			if ( crossobj.visibility ==	"hidden" ) {
				ctlToPlaceValue	= ctl2
				dateFormat=format;
 
				formatChar = " "
				aFormat	= dateFormat.split(formatChar)
				if (aFormat.length<3)
				{
					formatChar = "/"
					aFormat	= dateFormat.split(formatChar)
					if (aFormat.length<3)
					{
						formatChar = "."
						aFormat	= dateFormat.split(formatChar)
						if (aFormat.length<3)
						{
							formatChar = "-"
							aFormat	= dateFormat.split(formatChar)
							if (aFormat.length<3)
							{
								// invalid date	format
								formatChar=""
							}
						}
					}
				}
 
				tokensChanged =	0
				if ( formatChar	!= "" )
				{
					// use user's date
					aData =	ctl2.value.split(formatChar)
 
					for	(i=0;i<3;i++)
					{
						if ((aFormat[i]=="d") || (aFormat[i]=="dd"))
						{
							dateSelected = parseInt(aData[i], 10)
							tokensChanged ++
						}
						else if	((aFormat[i]=="m") || (aFormat[i]=="mm"))
						{
							monthSelected =	parseInt(aData[i], 10) - 1
							tokensChanged ++
						}
						else if	(aFormat[i]=="yyyy")
						{
							yearSelected = parseInt(aData[i], 10)
							tokensChanged ++
						}
						else if	(aFormat[i]=="mmm")
						{
							for	(j=0; j<12;	j++)
							{
								if (aData[i]==monthName[j])
								{
									monthSelected=j
									tokensChanged ++
								}
							}
						}
					}
				}
 
				if ((tokensChanged!=3)||isNaN(dateSelected)||isNaN(monthSelected)||isNaN(yearSelected))
				{
					dateSelected = dateNow
					monthSelected =	monthNow
					yearSelected = yearNow
				}
 
				odateSelected=dateSelected
				omonthSelected=monthSelected
				oyearSelected=yearSelected
 
				aTag = ctl
				do {
					aTag = aTag.offsetParent;
					leftpos	+= aTag.offsetLeft;
					toppos += aTag.offsetTop;
				} while(aTag.tagName!="BODY");
 
				crossobj.left =	fixedX==-1 ? ctl.offsetLeft	+ leftpos :	fixedX
				crossobj.top = fixedY==-1 ?	ctl.offsetTop +	toppos + ctl.offsetHeight +	2 :	fixedY
				constructCalendar (1, monthSelected, yearSelected);
				crossobj.visibility=(dom||ie)? "visible" : "show"
 
				hideElement( 'SELECT', document.getElementById("calendar") );
				hideElement( 'APPLET', document.getElementById("calendar") );			
 
				bShow = true;
			}
			else
			{
				hideCalendar()
				if (ctlNow!=ctl) {popUpCalendar(ctl, ctl2, format)}
			}
			ctlNow = ctl
		}
	}
 
	document.onkeypress = function hidecal1 () { 
		if (event.keyCode==27) 
		{
			hideCalendar()
		}
	}
	document.onclick = function hidecal2 () { 		
		if (!bShow)
		{
			hideCalendar()
		}
		bShow = false
	}
 
	window.onload = init

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Question by:leapingleon
2 Comments
 
LVL 19

Accepted Solution

by:
Albert Van Halen earned 2000 total points
ID: 23663600
The body onload attribute interferes with window.onload statement in popcalendar.js.
To solve this, you could remove the window.onload = init statement from the popcalendar.js and insert it int the onload attribute of the body.

Look at this article : http://rainbow.arch.scriptmania.com/scripts/multiplejava.html

To position the calendar below the input, you need to modify the popcalendar script file a little bit.
@ Line 579 (where left and top of the style obejct are being set) you need to append it with "px"

Tested in FF 3.06 and IE7
<body onload="insertfields('Automaticly inserted'); init();">
 
crossobj.left =	fixedX==-1 ? (ctl.offsetLeft + leftpos) + "px" : fixedX + "px";
crossobj.top = fixedY==-1 ? (ctl.offsetTop + toppos + ctl.offsetHeight + 2) + "px" : fixedY + "px";

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Author Comment

by:leapingleon
ID: 23668123
You really and truely are a Master.

Thanks, it works perfectly.
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