function subWin(urlname) 
{ 
	var x = Math.round((screen.availWidth - 900) / 2);
	var y = Math.round((screen.availHeight - 650) / 2);
	popUp = window.open(urlname, 'GoochStDojo','left=' + x + ',' + 'top=' + y + ',' + 'width=750,height=500,resize=yes,scrollbars=yes,toolbars=no,menubars=no,location=no');
	popUp.focus();
}