function openURL(url,x,y,scrollbars)
{
	if (x == null) x = 550;
	if (y == null) y = 350;
	if (scrollbars == null) scrollbars = 'no';
	f1 = window.open(url,"Details","width="+x+",height="+y+",status=no,menubar=no,resizable=no,scrollbars="+scrollbars+",toolbar=no");
	f1.focus();
}

function openScheme(url)
{
	f2 = window.open(url, 'Schema', "width=750,height=500,scrollbars=yes,resizable=yes");
	f2.focus();
}