请问，如何让这个javascript日历在firefox中正常显示？

接上贴
</SCRIPT>
<table border="0" cellpadding="0" cellspacing="1" class="calendarBigBorder" id="caltable" width="200">
<thead>
     <tr align="center" valign="middle"> 
    <td colspan="7" class="calendarMonthTitle"> 
   <input name="year" type="text" class="calendarYInput" size="3" maxlength="4" onkeydown="if (event.keyCode==13){setDate()}" onkeyup="this.value=this.value.replace(/[^0-9]/g,'')"  onpaste="this.value=this.value.replace(/[^0-9]/g,'')">年
   <input name="month" type="text" class="calendarMInput" size="1" maxlength="2" onkeydown="if (event.keyCode==13){setDate()}" onkeyup="this.value=this.value.replace(/[^0-9]/g,'')"  onpaste="this.value=this.value.replace(/[^0-9]/g,'')">月 [<a onClick="addMonth()" href="javascript:;">下月</a>]　[<a  onClick="subMonth()" href="javascript:;">上月</a>]</td>
  </tr>
 <tr align="center" valign="middle"> 
 <SCRIPT LANGUAGE="JavaScript">  
 document.write("<TD class=calendarDaySun id=diary>" + days[0] + "</TD>"); 
 for (var intLoop = 1; intLoop < days.length-1; 
 intLoop++) 
 document.write("<TD class=calendarTd id=diary>" + days[intLoop] + "</TD>"); 
 document.write("<TD class=calendarDaySat id=diary>" + days[intLoop] + "</TD>"); 
 </SCRIPT> 
 </TR> 
</thead>
  <TBODY border=1 cellspacing="0" cellpadding="0" ID="calendar" ALIGN=CENTER ONCLICK="getDiary()" onmouseup=document.selection.empty() oncontextmenu="return false" onselectstart="return false" ondragstart="return false" onbeforecopy="return false" oncopy=document.selection.empty() onselect=document.selection.empty()>
    <SCRIPT LANGUAGE="JavaScript">
  for (var intWeeks = 0; intWeeks < 6; intWeeks++) {
  document.write("<TR style='cursor:hand'>");
  for (var intDays = 0; intDays < days.length;intDays++)
  document.write("<TD class=calendarTd onMouseover='{classTemp=this.className;this.className=calendarHover}' onMouseOut='this.className=classTemp'></TD>");
  document.write("</TR>");
  } 
 </SCRIPT>
  </tbody>
 </table>
<script  LANGUAGE="JavaScript">
Calendar();
</script>