just out of curiousity...why not reference the 2nd list box directly
rather than try and manipulate a hidden form field?
On 5/16/05, Paul Henderson <[EMAIL PROTECTED]> wrote:
> I'm trying to allow a user to select items from one listbox and add them to
> a second list box, once the form is submitted the Javascript should set the
> value of hdnThemes to all the items entered into the second list box
> (lbxSelectedTheme), but of course that is not happening. Any ideas whats
> wrong with the below code or do I need a new approach? Unfortunately since
> taking over this project I have no way of reaching the orginal programmer
> and my javascript skills need some major improvement!
>
> <form id="frmImage" name="frmImage" method="post"
> ENCTYPE="multipart/form-data" action="addimge.cfm?Upload=Yes"
> onSubmit="return VerifyData();">
>
> <input type="hidden" name="hdnThemes">
>
> <select name="lbxTheme" size=5>
> OptionA
> OptionB
> OptionC
> OptionD
> OptionE
> /select>
>
> <input type="button" name="btnThemeAdd" value="---->"
> onClick="AddTheme();>
> (The addTheme function is working fine, so I ommitted it to mimimize your
> reading)
>
> <select name="lbxSelectedTheme" size=5>
> <option value='-'>------------------------------------</option>
> </select>
>
> <!----snippet from the VerifyData function that is called OnSubmit --->
> // Get selected themes
> for (i=1; i< document.frmImageAdm.lbxSelectedTheme.length; i++) {
> if (vThemes == "") {
> vThemes = document.frmImageAdm.lbxSelectedTheme.options[i].value
> } else {
> vThemes = vThemes + "," +
> document.frmImageAdm.lbxSelectedTheme.options[i].value
> }
> }
> document.frmImageAdm.hdnThemes.value = vThemes
>
> Looks like it should be fine, but when I reference Form.hdnThemes it is
> still NULL?
>
> Thanks!
> -Paul
>
>
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