function apri(str,winName,larg,alt){
	finestra=window.open(str,winName,"width=" + larg + ", height="+alt+", left=" + ((screen.width-larg)/2) + ",top="+((screen.height-alt)/2)+", scrollbars, resizable, status" );
	finestra.focus();
}
function popup(theURL,winName,features) { //v2.0
  fin = window.open(theURL,winName,features);
  fin.focus();
}