function radioOpen(adresa) {
			sirina = 400;
			visina = 150;
      lijevo = (screen.width/2)-(sirina/2);
      gore = (screen.height/2)-(visina/2);
      window.open(adresa,"popup","height="+visina+",width="+sirina+",statusbar = no,toolbar = no,menubar = no,location = no,location = no,resizable = no,titlebar = no,scrollbars = no,fullscreen = no,top ="+gore+",left ="+lijevo);
   }