var bPageLoad = true;
    
    function elem(name)
    {
      try 
      {
        return (document.getElementById(name))
      }
      catch(err)
      {
        alert(err)
        return null
      }
    }
    
    function isMSIE()
    {
      var agt = navigator.userAgent.toLowerCase()
      
      if (agt.indexOf("msie") != -1)
      {
        return true
      }
      return false
    }

    function PlayArchive(strFile)
    {
      if (isMSIE())
      {
        mainform.mp.url = strFile;
        mainform.mp.controls.play()
      }
      else
      {
        elem('wmp').controls.stop()
        elem('wmp').controls.stop()
        elem('wmp').src = strFile;
        elem('wmp').controls.play()
        elem('wmp').controls.play()
      }
    }

    function OpenWindow(url, name, parms)
    {
      if (bPageLoad)
      {
        window.open(mainform.servername.value + url,name,parms)
      }  
      else
      {
        bPageLoad = true
      }
    }