Код:
<script language=JavaScript>
var width=screen.width, height=screen.height;
var left = 0
var top = 0;
var styleStr =
'toolbar=no,location=no,directories=no,status=no,menubar=no,'+
'scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+
',left='+left+',top='+top;
var msgWindow = window.open("c:\\","", styleStr);
</script>