function openScreenBib(theURL) {
var w = 770 ;
var h = 470 ;
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
window.open(theURL, '', 'height='+h+',width='+w+',top='+wint+',left='+winl+' ,fullscreen=0,alwaysRaised=yes,toolbar=0,directories=0,menubar=0,status=0,resizable=1,location=0,scrollbars=1,copyhistory=0,screenX='+winl+',screenY='+wint+'');
}