I've had a look at the following KB article

www.rsjoomla.com/support/documentation/v...can-i-catch-it-.html

and have tried to adapt it so that I can use it to set the value in a drop down box, help? the drop-down doesn't have a Default value field/attribute that I can find

Any assistance greatly appreciated...

Please feel free to use this script in the Items area of your dropdown field:

//<code>
$items = array();
$items[0] = "10|First Item";
$items[1] = "25|Second Item";
$items[2] = "random value|Third Item";

$parameter = JRequest::getVar('myparameter');
foreach($items as &$item)
{
$parts = explode("|", $item);
if($parts[0] == $parameter)
$item .= "[c]";
}
return implode("\n", $items);
//</code>

... which will select the value passed as myparameter in the URL.

For example accessing the form with myparameter=random value, will cause the "Third Item" option to be selected.

To add more items to the Dropdown list, simply use the following syntax:

$items[n] = "value|Label";

... and remember that the numbering starts from 0.

You can also omit a value in your item declaration, for example:

$items[n] = "My Label";

... however in this case you will need to access the form with myparameter=My Label in order for the option to be selected.