Not getting element by its id or class.

Not getting element by its id or class.


Hi,
I am using jQuery to fetch records from database.
On $(document).ready event i got all the categories including all the
subcategories using $.get() function.
But print only parent categories and put all the subcategories in div
tag which is hidden currently (style="display:none").
Now what i want to do is, on click of any parent category i want to
show div containing its subcategories.(<div
id="div_parentid">subcategories</div>).
code looks like this:
jQuery
$(document).ready(function(){
$.get("leftMenu.php", function(data){
    $("#leftMenuHere").append(data);
});
$("#pcat").click(function(){
    alert($(this).value());
});
});
Html:
<tr>
    <td id="leftMenuHere"></td>
</tr>
leftMenu.php
$categoryObj->getAllCategories();
#function used by category object.
#get all categories for left menu
    function getAllCategories($parent_id = "", $level=0){
        $space = "";
        if(!is_numeric($parent_id)){
            $parent_id = 0;
        }
        for($j=0;$j<$level;$j++){
            $space .= "&nbsp;&nbsp;&nbsp;";
        }
        $sql = "SELECT * FROM category WHERE parent_id = '".$parent_id."'";
        $sql .= "ORDER BY cat_name";
        $rslt = $this->dbclass->select($sql);
        if($rslt){
            for($i=0;$i<count($rslt);$i++){
                if($level > 0){
                    echo "<div id='div_".$rslt[$i]["parent_id"]."'
style='display:none'>".$space.$rslt[$i]['cat_name']."</div>";
                }
                else{
                    echo "
<a href='index.php?file=category&icategory_id=".$rslt
[$i]['cat_id']."' class='menu2' id='pcat' value='".$rslt[$i]
["cat_id"]."'>".$space.$rslt[$i]["cat_name"]."</a>";
                }
                $this->getAllCategories($rslt[$i]["cat_id"], $level+1);
            }
        }
    }
You can see demo what i want to do at :
http://www.futurebazaar.com/b2c_futurebazaar/catalog/categorieInPath.do?key=0/47E73548307C60F7E1000000A0330A05
copy and paste above link and see left menu.