change listbox

[innu]

Hi,

I have the following problem:

We have 2 listboxes and there we want to give the value from one listbox to the another. Also we want to delete and to order it in one listbox.

Has anyone done sth. like that?

 

[ToddWW]

I don't quite understand the question..
Also we want to delete and to order it in one listbox.
But I can start by helping you with the first.

The JavaScript method that you use to add a new item to a select list is...

document.formname.listname.options[n] = new Option("Text","Value")

Now, how you use that between the two depends on exactly what you're trying to do. Can you be a little more descriptive on your project.

ToddWW

 

[baad]

here is what i have:

(i guess it was tleish's post, but don't remember egg-zactly)

<SCRIPT LANGUAGE=&quot;JavaScript&quot;>
<!--
    // You create a new OPTION with
      var opt = new Option('text', 'value');

    // and insert it with
      var sel = document.formName.selectName;
      sel.options[sel.options.length] = opt;

    // at the end of the SELECT list. 
    // To insert into the middle move other options up e.g.
    function insertOptionAt (select, option, index) {
        for (var i = select.options.length; i > index; i--)
        select.options[i] = select.options[i - 1];
        select.options[index] = option;
    }
  
    // example call 
    insertOptionAt (document.formName.selectName, new Option('text', 'value'), 3);

    // You delete an OPTION simply be setting
    var sel = document.formName.selectName;
    sel.options[optionIndex] = null;
    
//-->
</SCRIPT>

Victor