I get the follwing error when my page loads in FireFox:

 

Error: uncaught exception: [Exception... "Component returned failure code: 0x80040111 (NS_ERROR_NOT_AVAILABLE) [nsIDOMNSHTMLDocument.designMode]"  nsresult: "0x80040111 (NS_ERROR_NOT_AVAILABLE)"  location: "JS frame :: http://localhost/EBookVendingMachine/CuteSoft_Client/CuteEditor/Load.ashx?type=scripts&file=Gecko_Loader :: Ox877 :: line 3"  data: no]