AJAX вывод подкатегорий - AdsManager

function show_search($option,$fields_searchable,$field_values,$catid,$cats,$itemid)
	{
		?>
		<div class="adsmanager_search_box">
		<div class="adsmanager_inner_box">
			<div align="left">
			<table>
			<tr><td><?php echo ADSMANAGER_FORM_CATEGORY; ?></td>
			<td>
            <?php 
			echo '<select onChange="model(this.value);"><option>-----</option>'; 
			foreach ($cats[0] as $arr) {  echo '<option value="'.$arr->id.'">'.$arr->name.'</option>';$mm[] = $arr->id;}
			echo '</select><br><select id="marka" onChange="md(this.value);" disabled ><option value=""> --------- </option><select>';
			
			for ( $i=0; $i<=count($mm); $i++)
			{ if ($cats[$mm[$i]])
			foreach ($cats[$mm[$i]] as $arr)
			 {  $rr .= $mm[$i].',';
			    $tt .= '"'.$arr->name.'",';		 
				$pp .= $arr->id.',';
			 }	
			} $rr = substr($rr, 0, strlen($rr)-1); $tt = substr($tt, 0, strlen($tt)-1); $pp = substr($pp, 0, strlen($pp)-1);
			echo '<script language="javascript" type="text/javascript">
	      function md(c){
			var rr = document.getElementById("catid");
			rr.value = c;}
			
		   	function model(ci){
		      var JSONa={"c_id":['.$rr.'], "r_id":['.$tt.'], "p_id":['.$pp.']};
			var r = document.getElementById("marka");
			var r1 = document.getElementById("catid");
			r1.value = ci;
			var i = 0;
			var res = "";
			for(i=0;JSONa.c_id[i]!=null;i++){
			    if(JSONa.c_id[i]==ci){
			        res = res+"<option value=\'"+JSONa.p_id[i]+"\'>"+JSONa.r_id[i]+"</option>"; 
				}
			}
			r.innerHTML = "<option> --------- </option>"+res;
			r.disabled = false;
        }
		 	
		</script>
		';
				?>         
            
            </td></tr>
			<form action="<?php echo sefRelToAbs("index.php");?>" method="get">
			<input type="hidden" name="option" value="<?php echo $option; ?>" />
			<input type="hidden" name="page" value="show_result" />
			<?php 
			foreach($fields_searchable as $fsearch) {
				if (($catid == 0)||(strpos($fsearch->catsid, ",$catid,")!== false)||(strpos($fsearch->catsid, ",-1,")!== false))
				{
					echo "<tr><td>".adsmanager_html::getLangDefinition($fsearch->title)."</td><td>";
					switch($fsearch->type)
					{
						case 'checkbox':
							echo "<input class='inputbox' type='checkbox' name='$fsearch->title' value='1' />\n";
							break;
						case 'multicheckbox':
							echo "<table class='cbMulti'>\n";
							$k = 0;
							for ($i=0 ; $i < $fsearch->rows;$i++)
							{
								echo "<tr>\n";
								for ($j=0 ; $j < $fsearch->cols;$j++)
								{
									$fieldvalue = @$field_values[$fsearch->fieldid][$k]->fieldvalue;
									$fieldtitle = @$field_values[$fsearch->fieldid][$k]->fieldtitle;
									if (isset($fieldtitle))
										$fieldtitle=adsmanager_html::getLangDefinition($fieldtitle);
									echo "<td>\n";
									if (isset($field_values[$fsearch->fieldid][$k]->fieldtitle))
									{		
										echo "<input class='inputbox' type='checkbox' name='".$fsearch->name."[]' value='$fieldvalue' />&nbsp;$fieldtitle&nbsp;\n";
									}
									echo "</td>\n";
									$k++;
								}
								echo "</tr>\n";
							}
							echo "</table>\n";
							break;
	
						case 'radio':
						case 'select':
							echo "<select id='".$fsearch->name."' name='".$fsearch->name."'>\n";
							echo "<option value='' >&nbsp;</option>\n";	
							if (isset($field_values[$fsearch->fieldid])) {
							foreach($field_values[$fsearch->fieldid] as $v)
							{
								$ftitle = adsmanager_html::getLangDefinition($v->fieldtitle);
								echo "<option value='$v->fieldvalue' >$ftitle</option>\n";
							}
							}
							
							echo "</select>\n";
							break;
						
						case 'multiselect':
						
							echo "<select name=\"".$fsearch->name."[]\" multiple='multiple' size='$fsearch->size'>\n";	
							if (isset($field_values[$fsearch->fieldid])) {
							foreach($field_values[$fsearch->fieldid] as $v)
							{
								$ftitle = adsmanager_html::getLangDefinition($v->fieldtitle);
								if ($field->required == 1)
									$mosReq = "mosReq='1'";
									
								echo "<option value='$v->fieldvalue' >$ftitle</option>\n";
							}
							}
							
							echo "</select>\n";
							break;
							
						case 'price':
							echo "<select id='".$fsearch->name."' name='".$fsearch->name."'>\n";
							echo "<option value='' >&nbsp;</option>\n";	
							if (isset($field_values[$fsearch->fieldid])) {
							foreach($field_values[$fsearch->fieldid] as $v)
							{
								$ftitle = adsmanager_html::getLangDefinition($v->fieldtitle);
								echo "<option value='$v->fieldvalue' >$ftitle</option>\n";
							}
							}
							
							echo "</select>\n";
							break;
							
						case 'textarea':
						case 'number':
						case 'emailaddress':
						case 'url':
						case 'text':
							echo "<input name='".$fsearch->name."' id='".$fsearch->name."' maxlength='20' class='inputbox' type='text' size='20' />";
							break;
					}
					echo "</td>";
				}
			}?>
			</table></div>
			<input type="submit" value="<?php echo ADSMANAGER_SUBMIT_BUTTON; ?>" />

			<input type="text" name="catid" id="catid" value="<?php echo $catid;?>" />
			<input type="text" name="Itemid" value="<?php echo $itemid;?>" />
			</form> 		  
		</div>
		</div>
		<?php
	}