function winopen(url){
    wasOpen = false;
    win = window.open(url,"okno","width=350, height=250, toolbar=no");
    return (typeof(win)=='object') ? false : true;
  }

  function pageopen(url){
    wasOpen = false;
    win = window.open(url,"okno","width=800, height=600, toolbar=no");
    return (typeof(win)=='object') ? false : true;
  }