Can anyone please help, I have been working on this problem for the last 2 days. I have written a function that will be activated when a value is selected from a dropdown. And this function should select the same index item in another text box called "trd_cls_ef_date_day". I can not get it working, I can output the index of the first selected drop down in a text field, but can not get it to select the second text box. Code is below //************************ js.append("\n<script language=\"javascript\">"); js.append("\nfunction setOtherDates(index) {"+ "\ndocument.form.trd_cls_ef_date_day.options[index].selected=true;"+ "\n}"+ "\n</script>"); //***************************** thank you for your help. kinga