<!--// Copyright (c) 2002-2008 JAMA WEB SITE
     // License is granted if and only if this entire
     // copyright notice is included. By Antonino Gargiulo.
//--------------- CheckEnter ---------------
    //  valida la form di ingresso

      function CheckEnter(form) {
        err=""
        if (form.txtusername.value.length <= 0)
          {err=err+"\n Il campo 'Username' e`vuoto"}
        if (form.txtpwd.value.length <= 0)
          {err=err+"\n Il campo 'Password' e` vuoto"}
        if (err == "") {
          form.submit()
          return true
        } else {
          alert ("ERRORE ACCESSO AREA RISERVATA AIAERCOLANO.IT: " + err + "!")
          return false
        }
      }
//-->