Permits the user to select multiple listed options.
name="select list name"
Provides the name of the select list for forms information processing purposes.
size="# of visible items"
Defines the height of the viewable area by the number of items in the selection
list to be displayed.
Must contain a list of <OPTION>
statements which define the choices available and establish any default choice.
The width of the largest displayed option text determines the width of the selection list
drop down menu dialog box.