var win=null;

function NewWindow(mypage,myname,w,h,pos,infocus){
  if(pos=='random'){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
  if(pos=='center'){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
  else if((pos!='center' && pos!='random') || pos==null){myleft=0;mytop=20}
  settings='width=' + w + ',height=' + h + ',top=' + mytop + ',left=' + myleft + ',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';win=window.open(mypage,myname,settings);
  win.focus();}