javascript combobox selected value change





I have problem in remove value from text on change event of. select.When the customer want to edit data so, they will change the select input and the text and check- box should be clear. . I have 2 comboboxes, "combo1" and "combo2", If I select any value in combo1, I need that same value in combo2 as "selected" by JavaScript.Java how to reset ldquo define rdquo values after being changed.