The following explaines how to use the [Code Header] window of the "Script" dialog box. Select a script code from the document into which it is inserted in order to make the script code editable in the [Edit] window. Using the popup menu that appears when you right-click, you can perform the following operations.
"New to <HEAD>" menu item
Create a new script in the <HEAD> tag and edit it.
"Delete" menu item
Delete the currently selected script from the document.