function its_empty(string_value){ if(string_value=='' || string_value==null) return true; return false; }

function EmptyFields(it){
  for(var i=0; i<it.elements.length; i++) if(its_empty(it.elements[i].value) && it.elements[i].required == 'true') {
      alert("Ошибка: Не заполнены обязательные поля.\r\n"+it.elements[i].title);
      return false;
    }
  return true;
}

function OpenXF($href, $W, $H){ window.open($href, '', 'toolbar=0, location=0, menubar=0, width='+$W+', height='+$H); }


function $(element) {
  if (typeof element == 'string')
    element = document.getElementById(element);
  return element;
}

  var ar_flashver      = 8;
  var ar_plugin        = 0;
  if(navigator.appName.indexOf('Microsoft') != -1 && navigator.userAgent.indexOf('MSIE') != -1 && navigator.appVersion.indexOf("Windows") != -1 && navigator.userAgent.indexOf('Opera') == -1){
    document.write('<SCRIPT LANGUAGE=VBScript\> \n');
    document.write('on error resume next \n');
    document.write('plugin = CreateObject("ShockwaveFlash.ShockwaveFlash.' + ar_flashver + '") \n');
    document.write('ar_plugin = IsObject(plugin) \n');
    document.write('</SCRIPT> \n');
  }
  else
    if (navigator.plugins && navigator.plugins["Shockwave Flash"]){
      var ar_FlashDescription = navigator.plugins["Shockwave Flash"].description;
      if (ar_flashver <= parseInt(ar_FlashDescription.charAt(ar_FlashDescription.indexOf(".") - 1))) ar_plugin = true;
    }
  //ar_plugin=false;