function openWindow( uri, w, h, name ) {
	var intLeft = ( screen.availWidth / 2 ) - w / 2;
	var intTop = ( screen.availHeight / 2 ) - h / 2;
	var param = "width=" + w + ",height=" + h + ",top=" + intTop + ",left=" + intLeft + ",resizable=yes,scrollbars=yes,status=yes,toolbar=yes";
	var win = window.open( uri, name, param );
	win.focus();
}