Index: curl_helper.php
===================================================================
--- curl_helper.php	(revision 14184)
+++ curl_helper.php	(working copy)
@@ -289,4 +289,13 @@
 			// restore debug mode setting
 			$this->debugMode = constOn('DBG_CURL');
 		}
+		
+		function isGoodResponceCode()
+		{
+			if ($this->lastErrorCode != 0) {
+				return false;
+			}
+
+			return ($this->lastHTTPCode == 200) || ($this->lastHTTPCode >= 300 && $this->lastHTTPCode < 310);
+		}
 	}
\ No newline at end of file