this is not a perl question. better posted to a HTML/javascript list.
nonetheless the following works ...
<form>
<select name="category" onclick="updateSubCategory(this.value);">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
</select>
<select name="sub-category">
</select>
</form>
<script language="javascript">
function updateSubCategory(sCategory)
{
var aSubCategories = new Array('A1','A2','B1','B2');
var oForm = document.forms[0];
var oSubCategory = oForm.elements['sub-category'];
var oNewOption;
var i;
while (oSubCategory.options.length != 0)
{
oSubCategory.options[0] = null;
}
for (i=0; i<aSubCategories.length; i++)
{
if (aSubCategories[i].substr(0,1) == sCategory)
{
oNewOption = new Option(aSubCategories[i],
aSubCategories[i]);
oSubCategory.options[oSubCategory.length] =
oNewOption;
}
}
}
</script>
> -----Original Message-----
> From: Mariusz [mailto:mkubis22@;hotmail.com]
> Sent: Wednesday, November 06, 2002 1:56 PM
> To: perl
> Subject: javascript anybody?
>
>
> I think my problem should be rather solved in JavaScript, but
> where can I find help? I tried many different keywords on
> goggle to find some info on accomplishing the following (but
> without success):
>
> I have two pull-down menus. How can I make the values
> (choices) in the second pull-down menu depend on the choice
> from the first one? E.g.
> pull-down1 "category" (choices: A,B,C..)
> pull-down2 "subcategory" (if choice A was selected in 1,
> then choices in 2 are for example A1, A2, etc..)
>
> any help greatly appreciated
> Mariusz
>
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