can anyone tell me what this code is doing?

 <tr>
         <td colspan="3"><input type="text" class="input" tabindex="4" name="depdt" maxlength=5 size="13" onfocus="removeYear('depdt')" onblur="return checkdate('/T2AgIBE/html/calendar.html','window.opener.document.fexp.depdt. value','window.opener.document.fexp.deptm.value',' dep',document.fexp.crdate.value,document.fexp.seld ate.value,'depdt')" onChange="javascript:this.value=this.value.toUpper Case();">
           <a href="#"><img src="images/hd_icon_calender.gif" align="middle" alt="Calendar" width="21" height="15" border=0 onClick="shodt('calendar.html','document.fexp.depd t.value','document.fexp.deptm.value','dep',documen t.fexp.crdate.value,document.fexp.seldate.value,'d epdt')" onmouseover="docTips.show('formulae13');style.curs or='hand'" onmouseout="docTips.hide()"></a>&nbsp;
           <Select style="height: 20; font-size : 10;" Name="deptm">
             <%for i=0 to 23%>
             <%if i=0 then%>
             <option value="">Any Time</option>
             <%elseif i>0 and i<9 then%>
             <option value="0<%=i%>00">0<%=i%>:00</option>
             <%elseif i=9 then%>
             <option value="" Selected>Any Time</option>
             <option value="0<%=i%>00">0<%=i%>:00</option>
             <%elseif i >9 and i<=23 then%>
             <option value="<%=i%>00"><%=i%>:00</option>
             <%end if%>
             <%next%>
             <option value="">Any Time</option>
           </Select>
           <input type="hidden" name="depdt1">
           </td>
         </tr>
       <tr>

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Yeah, for hour zero, it plugs in any time, for hour 1 to 9, it outputs 0<number>00, for example 0900. For 10 through 23, it outputs the whole number, because the nmber is two digits: 1000, 2300.

Brian