How to create six level of categories using selection box with smarty template engine

[rameshvishnu]

Hi all,🙂🙂

I am creating six level of categories using selection box link ebay category model.Right now i manged to create two level of categories.But when i tried to use same logic with third one,When user select another category form sub category selection box I have managed to passing value throw url using javascript function.

But i am getting that value using get method in .php file and i get that sub categories from db and display in .tpl file.But thing is when i am doing this the page is refreshing and I lost the previously selected categories.I used sessions also but now working.

Please explain me how can i get values without refreshing page.Here is the code...

[B]
<table cellspacing="5" cellpadding="2" border="0" width="100%">
            <tr valign="top" bgcolor="#ffffff">
               <td align="middle" width="50%"><table id="table_0" cellspacing="5" border="0" width="100%">
                     <tr>
                        <td><select size="10"  id=chtext name=channel onchange="SelectSubCat();"   style="width: 100%; ">
  <option value="">Category</option>
  <!--  {insert name=list_channel_ordered assign=chinfo vid=$VID}
        {section name=i loop=$chinfo }
       <OPTION value={$chinfo[i].id}> {$chinfo[i].ch}  </OPTION>
        {/section} -->

    {$ch_checkbox}

</select></td>
                     </tr>
                  </table></td>
               <td align=middle width="50%"><table id=table_1 cellspacing=5 border=0 width=100%>
                     <tr>
                        <td><select id="SubCat" name=schannel style="width: 100%; " size="10" onChange="nav()" >
        <option value="">Subcategory</option>


    </select></td>
                 </tr>
              </table></td>
        </tr>
        <tr valign=top bgcolor=#ffffff>
           <td align=middle><table id=table_2 cellspacing=5 border=0 width=100%>
                 <tr>
                    <td><select class="contentfont" id="selector_2" onchange="populate(2)" size="7" name="selector_2" style="width: 100%; ">
                          <option value=""></option>
                       </select></td>
                 </tr>
              </table></td>
           <td align=middle><table id=table_3 cellspacing=5 border=0 width=100%>
                 <tr>
                    <td><select class="contentfont" id="selector_3"
                    onchange="populate(3)" size="7" name="selector_3" style="width: 100%; ">
                          <option value=""></option>
                       </select></td>
                 </tr>
              </table></td>
        </tr>
        <tr valign=top bgcolor=#ffffff>
           <td align=middle><table id=table_4 cellspacing=5 border=0 width=100%>
                 <tr>
                    <td><select class="contentfont" id="selector_4" onchange="populate(4)" size="7" name="selector_4" style="width: 100%; ">
                          <option value=""></option>
                       </select></td>
                 </tr>
              </table></td>
           <td align=middle><table id=table_5 cellspacing=5 border=0 width=100%>
                 <tr>
                    <td><select class="contentfont" id="selector_5"
                    onchange="populate(5)" size="7" name="selector_5" style="width: 100%; ">
                          <option value=""></option>
                       </select></td>
                 </tr>
              </table></td>
        </tr>
     </table>

[QUOTE]
$selsubcarfunc="function SelectSubCat(){
                  var cat=document.getElementById('chtext');
                  var sub=document.getElementById('SubCat');
                  removeAllOptions(sub);
                   ";
// now select catids from sbtomb!!
$ii=0;$iii=0;
for($ii=0;isset($ch[$ii]['id']);$ii++){
      $ifekk=$ifekk." if (cat.value=='".$ch[$ii]['id']."'){ ";
      for($iii=0;isset($sctomb[$iii]['catid']);$iii++){
         if($sctomb[$iii]['catid']==$ch[$ii]['id']){
         if($sctomb[$iii]['SCHID']==$origschid)
            {$ifekk=$ifekk."addOption(sub,'".$sctomb[$iii]['SCHID']."' , '".str_replace("'","\'",$sctomb[$iii]['name'])."',1);
                           ";}
          else{$ifekk=$ifekk."addOption(sub,'".$sctomb[$iii]['SCHID']."' , '".str_replace("'","\'",$sctomb[$iii]['name'])."',0);
                           ";

}
       } }
$ifekk=$ifekk." }";
}
$ifekk=$ifekk." }";

$selsubcarfunc=$selsubcarfunc.$ifekk;
STemplate::assign('selsubcarfunc', $selsubcarfunc);
}[/QUOTE]

thanks in advance.

Rameshvishnu.

[/B][FONT="Georgia"][/FONT]