function vardump($var, $depth = 0)
	    {
	        if (is_array($var))
	        {
	            $result  =  "Array (" . count($var) . ")<BR>";
	            foreach(array_keys($var) as $key)
	            {
	                $result  .=  $this->tab[$depth] . "<B>$key</B>: " . $this->vardump($var[$key],  $depth+1);
	            }
	            return $result;
	        }
	        else
	        {
	            $ret =  htmlentities($var) . "<BR>";
	            return $ret;
	        }
	    }