moving items from a list box to another

[SeetaramaRaju]

I've Requirement, where i need to select an item from a list box
and clck on a add button. this should add this item to another list box.

can anybody help me with the syntax

i wrote a javascript like this

function addGroupsRoles(){
var group = document.forms[0].Groups.value;
var role = document.forms[0].Roles.value;
document.forms[0].Groups_Roles.value = new Option(group,role);

alert(group);
alert(role);

}

Its not working. can somebody help me with this please

[redhead]

You might wanna check this thread in order to get a feel for creating an option dynamicaly