5. A method for creating or editing a document in an application, the document adapted to be sent to a printer through a network, the application adapted to be executed by a web browser, the method comprising: providing a user terminal having network access to the printer, the user terminal having a web browser and configured to execute the application, wherein execution of the application in the user terminal includes: providing an object at the user terminal for creating or editing the document, the object including a command buffer configured to receive commands for controlling the printer; displaying on the user terminal a setting screen having a first user-input to set a network address of the printer into an address property element; displaying on the user terminal an edit screen enabled to edit or create the document, the edit screen including icons, each of the icons corresponding to one of the commands for controlling the printer; in response to user selection of one of the icons, displaying, on the edit screen, an input box enabled to input a parameter of the command corresponding to the selected icon; and adding the command corresponding to the selected icon and its parameter, if inputted in the edit screen, to the command buffer of the object provided at the user terminal.
9. The method according to claim 5 , further comprising a step of displaying a button for sending the document to the printer having the address designated by the address property element.