Auto scrolling method

PURPOSE: A method for scrolling automatically a screen is provided to scroll automatically a screen by setting up an automatic screen scroll time and an automatic screen scroll interval. CONSTITUTION: A user selects an automatic screen scroll by an external event(100). The user sets up an automatic screen scroll time and an automatic screen scroll interval if the user selects the automatic screen scroll(110). An automatic screen scroll operation is performed if the user sets up the automatic screen scroll time and the automatic screen scroll interval(120). A column and a row of current screen is scrolled to (0,0) if the automatic screen scroll operation is performed(130). The screen is scrolled to a right direction according to the automatic screen scroll time and the automatic screen scroll interval(140). An end portion of the column is checked(150). The screen is scrolled to the first column of the next line according to the automatic screen scroll time and the automatic screen scroll interval(160). An end portion of a document is checked(170).