Please review the code and tel me the solution code is given blew,thanks………Error: ‘d.getElementById(…)’is null or not object(sh

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ASP
DHTML
HTML
java script
I have problem in main page,when i open my web apge The Following Error show . Line:8 Char :3594 Error: 'd.getElementById(...)'is null or not object Code:0 Url"http://localhost......   wheres this code is exit on seperate page. Here is complete code for this page var thisDate = 1;                            // Tracks current date being written in calendar var wordMonth = new Array("January","February","March","April","May","June","July","August","September","October","November","December"); var today = new Date();                            // Date object to store the current date var todaysDay = today.getDay() + 1;                    // Stores the current day number 1-7 var todaysDate = today.getDate();                    // Stores the current numeric date within the month var todaysMonth = today.getUTCMonth() + 1;                // Stores the current month 1-12 var todaysYear = today.getFullYear();                    // Stores the current year var monthNum = todaysMonth;                        // Tracks the current month being displayed var yearNum = todaysYear;                        // Tracks the current year being displayed var firstDate = new Date(String(monthNum)+"/1/"+String(yearNum));    // Object Storing the first day of the current month var firstDay = firstDate.getUTCDay();                    // Tracks the day number 1-7 of the first day of the current month var lastDate = new Date(String(monthNum+1)+"/0/"+String(yearNum));    // Tracks the last date of the current month var numbDays = 0; var calendarString = ""; var eastermonth = 0; var easterday = 0; function changedate(buttonpressed) {     if (buttonpressed == "prevyr") yearNum--;     else if (buttonpressed == "nextyr") yearNum++;     else if (buttonpressed == "prevmo") monthNum--;     else if (buttonpressed == "nextmo") monthNum++;     else  if (buttonpressed == "return") {         monthNum = todaysMonth;         yearNum = todaysYear;     }     if (monthNum == 0) {         monthNum = 12;         yearNum--;     }     else if (monthNum == 13) {         monthNum = 1;         yearNum++     }     lastDate = new Date(String(monthNum+1)+"/0/"+String(yearNum));     numbDays = lastDate.getDate();     firstDate = new Date(String(monthNum)+"/1/"+String(yearNum));     firstDay = firstDate.getDay() + 1;     createCalendar();     return; } function easter(year) { // feed in the year it returns the month and day of Easter using two GLOBAL variables: eastermonth and easterday var a = year % 19; var b = Math.floor(year/100); var c = year % 100; var d = Math.floor(b/4); var e = b % 4; var f = Math.floor((b+8) / 25); var g = Math.floor((b-f+1) / 3); var h = (19*a + b - d - g + 15) % 30; var i = Math.floor(c/4); var j = c % 4; var k = (32 + 2*e + 2*i - h - j) % 7; var m = Math.floor((a + 11*h + 22*k) / 451); var month = Math.floor((h + k - 7*m + 114) / 31); var day = ((h + k - 7*m +114) % 31) + 1; eastermonth = month; easterday = day; } function createCalendar() {     calendarString = '';     var daycounter = 0;     calendarString += '<table width="312" border="1" cellpadding="0" cellspacing="1">';     calendarString += '<tr>';     calendarString += '<td align="center" valign="center" width="40" height="40"><a href="#" onMouseOver="document.PrevYr.src='images/PrevYrOn40x40.jpg';" onMouseOut="document.PrevYr.src='images/PrevYrOff40x40.jpg';" onClick="changedate('prevyr')"><img name="PrevYr" src="images/PrevYrOff40x40.jpg" width="40" height="40" border="0" alt="Prev Yr"/></a></td>';     calendarString += '<td align="center" valign="center" width="40" height="40"><a href="#" onMouseOver="document.PrevMo.src='images/PrevMoOn40x40.jpg';" onMouseOut="document.PrevMo.src='images/PrevMoOff40x40.jpg';" onClick="changedate('prevmo')"><img name="PrevMo" src="images/PrevMoOff40x40.jpg" width="40" height="40" border="0" alt="Prev Mo"/></a></td>';     calendarString += '<td bgcolor="#C8C896" align="center" valign="center" width="128" height="40" colspan="3"><b>' + wordMonth[monthNum-1] + '  ' + yearNum + '</b></td>';     calendarString += '<td align="center" valign="center" width="40" height="40"><a href="#" onMouseOver="document.NextMo.src='images/NextMoOn40x40.jpg';" onMouseOut="document.NextMo.src='images/NextMoOff40x40.jpg';" onClick="changedate('nextmo')"><img name="NextMo" src="images/NextMoOff40x40.jpg" width="40" height="40" border="0" alt="Next Mo"/></a></td>';     calendarString += '<td align="center" valign="center" width="40" height="40"><a href="#" onMouseOver="document.NextYr.src='images/NextYrOn40x40.jpg';" onMouseOut="document.NextYr.src='images/NextYrOff40x40.jpg';" onClick="changedate('nextyr')"><img name="NextYr" src="images/NextYrOff40x40.jpg" width="40" height="40" border="0" alt="Next Yr"/></a></td>';     calendarString += '</tr>';     calendarString += '<tr>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Sun</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Mon</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Tue</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Wed</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Thu</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Fri</td>';     calendarString += '<td bgcolor="#DDDDDD" align="center" valign="center" width="40" height="22">Sat</td>';     calendarString += '</tr>';     thisDate == 1;     for (var i = 1; i <= 6; i++) {         calendarString += '<tr>';         for (var x = 1; x <= 7; x++) {             daycounter = (thisDate - firstDay)+1;             thisDate++;             if ((daycounter > numbDays) || (daycounter < 1)) {                 calendarString += '<td align="center" bgcolor="#888888" height="30" width="40"> </td>';             } else {                 if (checkevents(daycounter,monthNum,yearNum,i,x) || ((todaysDay == x) && (todaysDate == daycounter) && (todaysMonth == monthNum))){                     if ((todaysDay == x) && (todaysDate == daycounter) && (todaysMonth == monthNum)) {                         calendarString += '<td align="center" bgcolor="#AAFFAA" height="30" width="40"><a href="javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')">' + daycounter + '</a></td>';                     }                      else    calendarString += '<td align="center" bgcolor="#FFFFC8" height="30" width="40"><a href="javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')">' + daycounter + '</a></td>';                 } else {                     calendarString += '<td align="center" bgcolor="#DDFFFF" height="30" width="40">' + daycounter + '</td>';                 }             }         }         calendarString += '</tr>';     }     calendarString += '<tr><td colspan="7" nowrap align="center" valign="center" bgcolor="#C8C896" width="280" height="22"><a href="javascript:changedate('return')"><b>Show Current Date</b></a></td></tr></table>';     var object=document.getElementById('calendar');     object.innerHTML= calendarString;     thisDate = 1; } function checkevents(day,month,year,week,dayofweek) { var numevents = 0; var floater = 0;     for (var i = 0; i < events.length; i++) {         if (events[0] == "W") {             if ((events[2] == dayofweek)) numevents++;         }         else if (events[0] == "Y") {             if ((events[2] == day) && (events[1] == month)) numevents++;         }         else if (events[0] == "F") {             if ((events[1] == 3) && (events[2] == 0) && (events[3] == 0) ) {                 easter(year);                 if (easterday == day && eastermonth == month) numevents++;             } else {                 floater = floatingholiday(year,events[1],events[2],events[3]);                 if ((month == 5) && (events[1] == 5) && (events[2] == 4) && (events[3] == 2)) {                     if ((floater + 7 <= 31) && (day == floater + 7)) {                         numevents++;                     } else if ((floater + 7 > 31) && (day == floater)) numevents++;                 } else if ((events[1] == month) && (floater == day)) numevents++;             }         }         else if ((events[2] == day) && (events[1] == month) && (events[3] == year)) {             numevents++;         }     }     if (numevents == 0) {         return false;     } else {         return true;     } } function showevents(day,month,year,week,dayofweek) { var theevent = ""; var floater = 0;     for (var i = 0; i < events.length; i++) {         // First we'll process recurring events (if any):         if (events[0] != "") {             if (events[0] == "D") {             }             if (events[0] == "W") {                 if ((events[2] == dayofweek)) {                 theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                 theevent += events[6] + 'n';                 <!--theevent += 'Start Time: ' + events[4] + 'n';-->                 <!--theevent += 'Ending Time: ' + events[5] + 'n'; -->                 <!--theevent += 'Description: ' + events[7] + 'n';-->                 theevent += 'n -------------- nn';                 document.forms.eventform.eventlist.value = theevent;                 }             }             if (events[0] == "M") {             }             if (events[0] == "Y") {                 if ((events[2] == day) && (events[1] == month)) {                 theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                 theevent += events[6] + 'n';                 <!--theevent += 'Start Time: ' + events[4] + 'n';-->                 <!--theevent += 'Ending Time: ' + events[5] + 'n';-->                 <!--theevent += 'Description: ' + events[7] + 'n';-->                 theevent += 'n -------------- nn';                 document.forms.eventform.eventlist.value = theevent;                 }             }             if (events[0] == "F") {                 if ((events[1] == 3) && (events[2] == 0) && (events[3] == 0) ) {                     if (easterday == day && eastermonth == month) {                         theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                         theevent += events[6] + 'n';                         //theevent += 'Start Time: ' + events[4] + 'n';                         //theevent += 'Ending Time: ' + events[5] + 'n';                         //theevent += 'Description: ' + events[7] + 'n';                         theevent += 'n -------------- nn';                         document.forms.eventform.eventlist.value = theevent;                     }                 } else {                     floater = floatingholiday(year,events[1],events[2],events[3]);                     if ((month == 5) && (events[1] == 5) && (events[2] == 4) && (events[3] == 2)) {                         if ((floater + 7 <= 31) && (day == floater + 7)) {                             theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                             theevent += events[6] + 'n';                             //theevent += 'Start Time: ' + events[4] + 'n';                             //theevent += 'Ending Time: ' + events[5] + 'n';                             //theevent += 'Description: ' + events[7] + 'n';                             theevent += 'n -------------- nn';                             document.forms.eventform.eventlist.value = theevent;                         } else if ((floater + 7 > 31) && (day == floater)) {                             theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                             theevent += events[6] + 'n';                             //theevent += 'Start Time: ' + events[4] + 'n';                             //theevent += 'Ending Time: ' + events[5] + 'n';                             //theevent += 'Description: ' + events[7] + 'n';                             theevent += 'n -------------- nn';                             document.forms.eventform.eventlist.value = theevent;                         }                     } else if ((events[1] == month) && (floater == day)) {                         theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';                         theevent += events[6] + 'n';                         //theevent += 'Start Time: ' + events[4] + 'n';                         //theevent += 'Ending Time: ' + events[5] + 'n';                         //theevent += 'Description: ' + events[7] + 'n';                         theevent += 'n -------------- nn';                         document.forms.eventform.eventlist.value = theevent;                     }                 }         }         }         // Now we'll process any One Time events happening on the matching month, day, year:         else if ((events[2] == day) && (events[1] == month) && (events[3] == year)) {             theevent += "Events of: n" + month +'/'+ day +'/'+ year + 'n';             theevent += events[6] + 'n';             //theevent += 'Start Time: ' + events[4] + 'n';             //theevent += 'Ending Time: ' + events[5] + 'n';             //theevent += 'Description: ' + events[7] + 'n';             theevent += 'n ------------------------------------------------ nn';             document.forms.eventform.eventlist.value = theevent;         }     }     if (theevent == "") document.forms.eventform.eventlist.value = 'No events to show.'; } function floatingholiday(targetyr,targetmo,cardinaloccurrence,targetday) { // Floating holidays/events of the events.js file uses: //    the Month field for the Month (here it becomes the targetmo field) //    the Day field as the Cardinal Occurrence  (here it becomes the cardinaloccurrence field) //        1=1st, 2=2nd, 3=3rd, 4=4th, 5=5th, 6=6th occurrence of the day listed next //    the Year field as the Day of the week the event/holiday falls on  (here it becomes the targetday field) //        1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thurday, 6=Friday, 7=Saturday //    example: "F",    "1",    "3",    "2", = Floating holiday in January on the 3rd Monday of that month. // // In our code below: //     targetyr is the active year //     targetmo is the active month (1-12) //     cardinaloccurrence is the xth occurrence of the targetday (1-6) //     targetday is the day of the week the floating holiday is on //        0=Sun; 1=Mon; 2=Tue; 3=Wed; 4=Thu; 5=Fri; 6=Sat //        Note: subtract 1 from the targetday field if the info comes from the events.js file // // Note: //    If Memorial Day falls on the 22nd, 23rd, or 24th, then we add 7 to the dayofmonth to the result. // // Example: targetyr = 2052; targetmo = 5; cardinaloccurrence = 4; targetday = 1 //    This is the same as saying our floating holiday in the year 2052, is during May, on the 4th Monday // var firstdate = new Date(String(targetmo)+"/1/"+String(targetyr));    // Object Storing the first day of the current month. var firstday = firstdate.getUTCDay();    // The first day (0-6) of the target month. var dayofmonth = 0;    // zero out our calendar day variable.     targetday = targetday - 1;     if (targetday >= firstday) {         cardinaloccurrence--;    // Subtract 1 from cardinal day.         dayofmonth = (cardinaloccurrence * 7) + ((targetday - firstday)+1);     } else {         dayofmonth = (cardinaloccurrence * 7) + ((targetday - firstday)+1);     } return dayofmonth; } </script> <!-- ***********************end************************************************** --> <style type="text/css"> <!-- .style2 {font-weight: bold} .style3 {     color: #0000FF;     font-weight: bold; } --> </style> </head> <body bgcolor="white" leftMargin="0" topMargin="0" marginheight="0" marginwidth="0" onLoad="changedate('return')"> <table cellspacing="0"  cellpadding="0" width="925" align="center" border="0">   <tr>     <td>       <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0">         <tr>           <td>            <!--HEADER-->           <!--#include file="../includes/header.asp" -->          <!--HEADER-->          </td>         </tr>         <tr bgColor="#ffffff">           <td colspan="2" height="20" bgcolor="#edf3ff" style="border-bottom:solid 1px #B7BEDA;">   You are here: <strong><a href="<%=path%>index.asp">Home</a> >calander</strong></td>         </tr>       </table>         <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0">         <tr>         <!-- Left column -->           <td width="126" bgColor="#edf3ff" valign="top" style="border-right:solid 1px #B7BEDA;">                             </td>           <!-- Middle column -->       <td valign="top" bgColor="#ffffff">                  <blockquote>   <br/>         <h2 align="center">Calendar</h2> </blockquote>         <table width="100%" border="0" cellspacing="0" cellpadding="5" class="hry">                     <tr>           <td>                         </td>           </tr>         </table>         <table width="100%" border="0" cellspacing="0" cellpadding="5" class="hry">           <tr>             <td bgcolor="#edf3ff">             <table width="100%" border="0" cellspacing="0" cellpadding="0">                                        <tr>                       <td>                       <!--************************************** Calendar Code *********************************** -->                       <p align="center" class="style3"> </p>                       <center>                 <table id="evtcal" border="0" cellpadding="0" cellspacing="0" width="500">                 <tbody>                 <tr>                 <td style="padding: 3px;" align="center" bgcolor="#c6def8" valign="top" width="314">                 <div id="calendar"><!--  Dynamically Filled --></div>                 You can move to a different month or year by clicking on the buttons or return to today's date by clicking "Show Current Date".</td>             <td width="10"> </td>             <td style="padding: 3px;" align="center" bgcolor="#c6def8" valign="top" width="260" ><div align="center"><b>Intructions:</b><br />               Click a     highlighted date on the calendar to see a list of events on that day in the box below.<br />               <br />               </div>               <b><u>Events</u></b>                <form id="eventform" name="eventform" action="#" method="get">                   <textarea name="eventlist" cols="50" rows="11" wrap="soft" class="style3">Please click on any date and see the events regarding to city school.</textarea>                   </form></td>         </tr>     </tbody> </table> </center>                                             <!-- *************************************END Calendar Code ********************************* -->                       </td>                     </tr>                     <!--                     <tr>                       <td class="heading">Feedback </td>                     </tr>                     <tr>                       <td><img src="../images/spacer.gif" width="14" height="14"></td>                     </tr>                     -->                     <tr>                       <td class="all">                                           </td>                                           </tr>                                                                              </table>             </td>           </tr>                   </table>         <!--<table width="100%" border="0" cellspacing="0" cellpadding="5" class="hry">           <tr>             <td>Our Inspection and Quality Assurance department ensures standardisation of our administrative business processes, making us a premier institution of an international repute.</td>           </tr>                 </table>-->                 </div>      </td>       <!-- Right column -->         <td width="126" bgColor="#edf3ff" valign="top" style="border-left:solid 1px #B7BEDA;">                          </td>         </tr>                 </table> </td> </tr> </table> </body> </html> please reply me i m waiting here

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//lastDate = new Date(String(monthNum+1)+”/0/”+String(yearNum));
        lastDate = new Date(yearNum, monthNum, 0);
in  changedate(buttonpressed){
—-
——-
=========
}
and befor it where ever “lastDate = new Date(String(monthNum+1)+”/0/”+String(yearNum));” has beeb used

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  • JennyMack
    Hi Amin, I have changed the title of your question... please allow all members of the community an opportunity to help you. Thanks, Jenny Community Manager
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  • Softwareit
    change this script function createCalendar() { var cdate = new Date(yearNum, monthNum, 0); //( add this) ------------------------------------- ------------------------------------- if ((daycounter > numbDays) || (daycounter < 1)) { calendarString += '<td> </td>'; } else if(cdate.getDate() >= daycounter){ //( modify this line ) ------------
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