Scheduler working in Chrome & Safari but not in Firefox & IE

Hi,
Please refer to the code below:

Untitled Document
/* BeginOAWidget_Instance_2443523: #OAWidget */ /* CALENDAR BOUNDING BOX */ .yui-skin-sam #OAWidget { background-color:#f2f2f2; border:1px solid #808080; padding:10px; } /* TITLE BAR */ .yui-skin-sam #OAWidget .title { border-bottom:1px solid #cccccc; color:#000; } /* WEEKDAY HEADER ROW */ .yui-skin-sam #OAWidget .calweekdayrow { height:2em; } /* WEEKDAY (Su, Mo, Tu...) HEADER CELLS */ .yui-skin-sam #OAWidget .calweekdaycell { color:#000; font-weight:bold; } /* WEEK NUMBERS (ROW HEADERS/FOOTERS) */ .yui-skin-sam #OAWidget .calrowhead, .yui-skin-sam .yui-calendar .calrowfoot { color:#a6a6a6; font-size:85%; font-style:normal; font-weight:normal; } /* NORMAL CELLS */ .yui-skin-sam #OAWidget td.calcell { border:1px solid #cccccc; background:#fff; height:1.6em; line-height:1.6em; /* set line height equal to cell height to center vertically */ } /* LINK INSIDE NORMAL CELLS */ .yui-skin-sam #OAWidget td.calcell a { color:#0066cc; } /* TODAY'S DATE */ .yui-skin-sam #OAWidget td.calcell.today { background-color:#000; } .yui-skin-sam #OAWidget td.calcell.today a { background-color:#fff; } /* SELECTED DATE */ .yui-skin-sam #OAWidget td.calcell.selected a { background-color:#b3d4ff; color:#000; } /* HOVER DATE */ .yui-skin-sam #OAWidget td.calcell.calcellhover a { background-color:#426fd9; color:#fff; } /* CalendarNavigator */ /* NAVIGATOR MASK */ .yui-skin-sam #OAWidget .yui-cal-nav-mask { background-color:#000; opacity:0.25; *filter:alpha(opacity=25); /* IE */ } /* NAVIGATOR BOUNDING BOX */ .yui-skin-sam #OAWidget .yui-cal-nav { border:1px solid #808080; background-color:#f2f2f2; } /* EndOAWidget_Instance_2443523 */
<?php include('Client_Pet_Banner.php'); ?>

 

<!--<table width="123%" height="155" border="1">
  <tr>
    <td width="15%" height="149"><img name="client pic" src="file:///C|/wamp/www/client_pic.jpg" width="100" height="117" alt="client img" /></td>
    <td width="22%"><ul>
      <li>Client name          </li>
      <li>client phone        </li>
      <li>outstanding balance</li>
    </ul>        </td>
    <td width="15%"><img name="patient pic" src="file:///C|/wamp/www/pet_pic.jpg" width="120" height="127" alt="patient img" /></td>
    <td width="22%"><ul>
      <li>Patient name        </li>
      <li>age, sex, spayed/neutered</li>
      <li>chart #        </li>
      <li>weight</li>
    </ul>        </td>
    <td width="16%"><ul>
      <li>Ref. Prac        </li>
      <li>Ref. Vet        </li>
      <li>Ref. phone</li>
    </ul>        </td>
    <td width="10%">Alert</td>
  </tr>
</table>-->

<div>
  <table width="958" height="125" border="0" align="center" cellpadding="5">
    <tr>
      <td width="150">Date</td>
      <td width="474">
      	<div>
          <input type="text"  id="datepicker" />
        </div>
     </td>
      <td width="312">&nbsp;</td>
    </tr>
    <tr>
      <td>Visit Reason</td>
      <td><select name="visitreason" id="visitreason">
        <option value="abdominal pain">abdominal pain</option>
        <option value="murmur">murmur</option>
        <option value="radiology">radiology</option>
        <option value="red eye">red eye</option>
      </select></td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><select name="provider" id="provider">
        <option value="default provider">Default DVM</option>
        <option value="provider1">DVM1</option>
        <option value="provider2">DVM2</option>
        <option value="provider3">DVM3</option>
        <option value="provider4">DVM4</option>
      </select></td>
      <td><select name="service" id="service">
        <option value="default service" selected="selected">default service</option>
        <option value="cardiology">cardiology</option>
        <option value="internal medicine">internal medicine</option>
        <option value="oncology">oncology</option>
        <option value="ophthalmology">ophthalmology</option>
      </select></td>
      <td><select name="location">
        <option value="default" selected="selected">default location</option>
        <option value="location1">location1</option>
        <option value="location2">location2</option>
        <option value="location3">location3</option>
        <option value="location4">location4</option>
        <option value="location5">location5</option>
      </select></td>
    </tr>
    <tr>
      <td colspan="3"><div align="center">
        <p>&nbsp;              </p>
        <p>
          <input type="submit" name="search" id="search" value="Search" />
        </p>
        
      </div></td>
    </tr>
  </table>
 
</div>

<div>
  <table width="885" height="42" border="0">
    <tr>
      <td width="98"><a href="modality.php">Modality</a></td>
      <td width="600"> <a href="#" name="bump" onClick="MM_openBrWindow('Bump_List_Popup.php','','width=950,height=550')">Bump/Waiting List</a></td>
      <td width="173"><a href="Create_Appointment.php">Create Appointment</a></td>
    </tr>
  </table>
</div>
<table width="960" height="900" border="1">
  <tr>
    <td valign="top" width="20%"><div id="cal_here" style='width:100%;'></div></td>
    <td width="80%"><div id="scheduler_here" class="dhx_cal_container" style='width:100%; height:100%;'>
      <div class="dhx_cal_navline">
        <div class="dhx_cal_prev_button">&nbsp;</div>
        <div class="dhx_cal_next_button">&nbsp;</div>
        <div class="dhx_cal_today_button"></div>
        <div class="dhx_cal_date"></div>
        <div class="dhx_minical_icon" id="dhx_minical_icon" onclick="show_minical()">&nbsp;</div>
        <div class="dhx_cal_tab" name="day_tab" style="right:204px;"></div>
        <div class="dhx_cal_tab" name="week_tab" style="right:140px;"></div>
        <div class="dhx_cal_tab" name="unit_tab" style="right:280px;"></div>
        <div class="dhx_cal_tab" name="month_tab" style="right:76px;"></div>
      </div>
      <div class="dhx_cal_header"></div>
      <div class="dhx_cal_data"></div>
    </div></td>
  </tr>
</table>
<p>&nbsp;</p>
<h1>&nbsp;</h1>

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