Manipulating Lists - Archive of obsolete content
getelementbyid('level').selectedindex = val - 1; } </script> <hbox align="center"> <label value="enter a number from 1 to 3:"/> <textbox id="number"/> <button label="select" oncommand="doselect();"/> </hbox> <radiogroup id="level"> <radio label="excellent"/> <radio label="good"/> <radio label="poor"/> </radiogroup> listboxes also support multiple selection and the functions of the nsidomxulmultiselectcontrolelement interface.
... the nsidomxulmultiselectcontrolelement interface also provides methods for modifying the selected items.

listbox - Archive of obsolete content
related elements listcell, listcol, listcols, listhead, listheader, listitem interfaces nsiaccessibleprovider, nsidomxulmultiselectcontrolelement ...

richlistbox - Archive of obsolete content
related interfaces nsiaccessibleprovider, nsidomxulmultiselectcontrolelement ...

tree - Archive of obsolete content
interfaces nsiaccessibleprovider, nsidomxultreeelement, nsidomxulmultiselectcontrolelement script examples to have alternating colors for each row, use the style rules like the following: treechildren::-moz-tree-row(selected) { background-color: #ffffaa; } treechildren::-moz-tree-row(odd) { background-color: #eeeeee; } treechildren::-moz-tree-row(odd, selected) { background-color: #ffffaa; } treechildren::-moz-tree-cell-text(selected) { color: #000000; } treechildren::-moz-tree-cel...