Index: trunk/xpressme_integration_kit/include/xpress_block_render.php
===================================================================
--- trunk/xpressme_integration_kit/include/xpress_block_render.php	(revision 655)
+++ trunk/xpressme_integration_kit/include/xpress_block_render.php	(revision 656)
@@ -166,4 +166,5 @@
 			xpress_block_header_set($mydirname);
 		}
+		$block['request_uri'] = $_SERVER['REQUEST_URI'];
 		$temp_option = explode(':' , $options[1]);
 		
@@ -182,5 +183,9 @@
 		$tpl->assign( 'block' , $block ) ;
 		$ret['content'] = $tpl->fetch( $templates_file ) ;
-		return $ret ;
+		if(preg_match('/\S/',$ret['content'])){
+			return $ret ;
+		}else {
+			return null;
+		}
 	}