pagina=null;
function apriPopup(url,w,h){
	x=screen.width/2-w/2;
	y=screen.height/2-h/2;
	if (pagina != null)
		pagina.close();
	pagina=window.open(url,"","fullscreen=no,status=no,toolbar=yes,scrollbars=yes,width="+w+",height="+h+",top="+y+",left="+x);
}
if ((screen.width>800) && (screen.height>600))
{
document.write('<link href="http://www.mascagni.it/casa/images/style.css" type="text/css" rel="stylesheet" />');
}
else
{
document.write('<link href="http://www.mascagni.it/casa/images/style800.css" type="text/css" rel="stylesheet" />');
}