Error: uncaught exception: [Exception… “Component returned failure code: 0x805e000a [nsIXMLHttpRequest.open]”
nsresult: “0x805e000a ()”

AdBlock interferes with the XmlHTTPRequest object and is known to sometimes break the way jQuery functions especially if the url triggers some sort of url filter.

You have a few options to resolve the solution:

• suggest that users turn off AdBlock if the class called global_message exists.
• Change the url posting or geting from.