Thanks for reply Balinor, below is my code when I put this code and clcik on save I get a blank box nothing saving in category text area.
{literal}
<script Langauge="JavaScript1.2">
<!--//
function openService(){
var screenWidth = 0;
var screenHeight= 0;
if (document.all || document.layers) {
screenWidth = screen.Width;
screenHeight = screen.Height;
}
var popupWinWidth = 600;
var popupWinHeight = 600;
var popupTopPosition = (screenHeight-popupWinHeight)/2;
var popupLeftPosition = (screenWidth-popupWinWidth)/2;
window.open('http://www.three.co.uk/microsites/Asset/3/redirectService.htm','popup','width=' + popupWinWidth + ',height='+ popupWinHeight +',top=' + popupTopPosition + ',left=' + popupLeftPosition + 'toolbar=no,location=no,status=no,menubar=no,scrol lbars=yes,resizable=no');
}
//-->
</script>
http://www.three.co.uk/microsites/Asset/3/servicebutton.gif
{/literal}