function go(url,w,h) {
	var dim = eval('"width=' + w + ',height=' + h + ',toolbar=0, location=0,directories=0,status=0, menubar=0,scrollbars=0,resizable=0"');
	Npop = window.open(url,"instruct",dim);
	oldWin = Npop.opener;
}

function goScroll(url,w,h) {
	var dim = eval('"width=' + w + ',height=' + h + ',toolbar=0, location=0,directories=0,status=0, menubar=0,scrollbars=1,resizable=0"');
	Npop = window.open(url,"instruct",dim);
	oldWin = Npop.opener;
}