Index: trunk/core/kernel/processors/main_processor.php
===================================================================
diff -u -r4723 -r4758
--- trunk/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 4723)
+++ trunk/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 4758)
@@ -524,17 +524,17 @@
 		$current_template = $this->Application->GetVar('t');
 		foreach ($this->Application->ModuleInfo as $module_name => $module_data) {
 			$module_key = strtolower($module_name);
-			
+
 			if ($module_name == 'In-Portal') {
 				$module_prefix = '';
 			}
 			else {
 				$module_prefix = $this->Application->IsAdmin() ? $module_key.'/' : $module_data['TemplatePath'].'/';
 			}
-			
+
 			$block_params['t'] = $module_prefix.$this->SelectParam($params, $module_key.'_template,'.$module_key.'_t,template,t');
 			if ($block_params['t'] == $current_template) continue;
-			
+
 			$no_data = $this->SelectParam($params, $module_key.'_block_no_data,block_no_data');
 			if ($no_data) {
 				$block_params['block_no_data'] = $module_prefix.'/'.$no_data;
@@ -754,7 +754,7 @@
 			if ( $this->Application->LoggedIn() && !$group_access) {
 				$this->Application->Redirect( $params['no_group_perm_template'], Array('next_template'=>$t) );
 			}
-			
+
 			$redirect_params = Array('next_template' => $t);
 			$session_expired = $this->Application->GetVar('expired');
 			if ($session_expired) {
@@ -764,6 +764,18 @@
 		}
 	}
 
+	function IsMember($params)
+	{
+		$group = getArrayValue($params, 'group');
+		$conn =& $this->Application->DB;
+		$group_id = $conn->GetOne('SELECT GroupId FROM '.TABLE_PREFIX.'PortalGroup WHERE Name = '.$conn->qstr($group));
+		if ($group_id) {
+			$groups = explode(',', $this->Application->RecallVar('UserGroups'));
+			$group_access = in_array($group_id, $groups);
+		}
+		return $group_access;
+	}
+
 	/**
 	 * Checks if SSL is on and redirects to SSL URL if needed
 	 * If SSL_URL is not defined in config - the tag does not do anything
@@ -823,7 +835,7 @@
 		$module =& $this->Application->recallObject('mod.'.$module_name);
 		$this->Application->SetVar('m_cat_id', $module->GetDBField('RootCat') );
 	}
-	 
+
 	function XMLTemplate($params)
 	{
 		define('DBG_SKIP_REPORTING', 1);