Tip... Adding new properties to the form object

Plop this little javascript function in your custom gf code:

function SetFormProperty(name, value) {
 form[name] = value;
}

Example Usage

<select id="form_type" name="form_type"  onchange="SetFormProperty('form_type', jQuery(this).val());"></select>

<input type="text" id="form_name" class="fieldwidth-3" onkeyup="SetFormProperty('form_name', this.value);" size="35"/>