How to highlight the selected item in asp.net control

Regards,
Susan

Thanks&Regards
LakshmiNarayana Nalluri.

Best Regard's
Tiju Thankachan

<asp:TextBox id="Textbox1" runat="server"  onfocus="Highlight(this.id);"></asp:TextBox>

<script type="text/javascript">

 function Highlight(txtid)

 {

      document.getElementbyId(txtid).style.borderColor="red";

      document.getElementbyId(txtid).style.borderStyle="solid";

}



</script>

Thanks,
Seen

Regards,
Susan