function _parse_resource_name(&$params)
	{

		// split tpl_path by the first colon
		$_resource_name_parts = explode(':', $params['resource_name'], 2);

		if (count($_resource_name_parts) == 1) {
			// no resource type given
			$params['resource_type'] = $this->default_resource_type;
			$params['resource_name'] = $_resource_name_parts[0];
		} else {
			if(strlen($_resource_name_parts[0]) == 1) {
				// 1 char is not resource type, but part of filepath
				$params['resource_type'] = $this->default_resource_type;
				$params['resource_name'] = $params['resource_name'];
			} else {
				$params['resource_type'] = $_resource_name_parts[0];
				$params['resource_name'] = $_resource_name_parts[1];
			}
		}

		if ($params['resource_type'] == 'file') {
			if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $params['resource_name'])) {
				// relative pathname to $params['resource_base_path']
				// use the first directory where the file is found
				foreach ((array)$params['resource_base_path'] as $_curr_path) {
					$_fullpath = $_curr_path . DIRECTORY_SEPARATOR . $params['resource_name'];
					if (file_exists($_fullpath) && is_file($_fullpath)) {
						$params['resource_name'] = $_fullpath;
						return true;
					}
					// didn't find the file, try include_path
					$_params = array('file_path' => $_fullpath);
					require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
					if(smarty_core_get_include_path($_params, $this)) {
						$params['resource_name'] = $_params['new_file_path'];
						return true;
					}
				}
				return false;
			} else {
				/* absolute path */
				return file_exists($params['resource_name']);
			}
		} elseif (empty($this->_plugins['resource'][$params['resource_type']])) {
			$_params = array('type' => $params['resource_type']);
			require_once(SMARTY_CORE_DIR . 'core.load_resource_plugin.php');
			smarty_core_load_resource_plugin($_params, $this);
		}

		return true;
	}