function openDialogBox(url, w, h, scrollbars) {
	// Figure top and left (for centering on screen)
	t = Math.round((screen.height - h) / 2)-20;
	l = Math.round((screen.width - w) / 2);
	
	if (!scrollbars) {
		scrollbars='yes';
	}
	
	window.open(url, '', 'width=' + w + ', height=' + h + ', top=' + t + ', left=' + l + ', menubar=no, status=no, location=no, toolbar=no, statusbar=no, status=no, scrollbars=' + scrollbars + ', resizable=yes');
}

function openWindow(url, w, h) {
	// Figure top and left (for centering on screen)
	t = Math.round((screen.height - h) / 2)-20;
	l = Math.round((screen.width - w) / 2);
	
	window.open(url, '', 'width=' + w + ', height=' + h + ', top=' + t + ', left=' + l + ', menubar=yes, status=yes, location=yes, toolbar=yes, statusbar=yes, status=yes, scrollbars=yes, resizable=yes');
}