function PopupCentrata(file) {
   var w = 410;
   var h = 475;
   var l = Math.floor((screen.width-w)/2);
   var t = Math.floor((screen.height-h)/2);
      window.open(file,"","width=" + w + ",height=" + h + ",top=" + t + ",left=" + l);
 }

function PopupCentrataDefinita(file, w, h) {
   //var w = 410;
   //var h = 475;
   var l = Math.floor((screen.width-w)/2);
   var t = Math.floor((screen.height-h)/2);
      window.open(file,"","width=" + w + ",height=" + h + ",top=" + t + ",left=" + l);
 }