function impressum() 
  {
      var win=window.open("http://www.giata.de/de/impressum.html", "trm_mms_imp", "width=1024, height=750, scrollbars, location=no, menubar=no, status=no, toolbar=no");
  }

  function terms_of_service()
  { //height=600, 
      var win=window.open("index.php?com=mmstos", "trm_mms_tos", "width=870, scrollbars, location=no, menubar=no, status=no, toolbar=no");
  }

  function cancellation_info()
  {
      var win=window.open("index.php?com=cancelinfo", "trm_mms_cinfo", "width=870, height=300, scrollbars, location=no, menubar=no, status=no, toolbar=no");
  }

  function handset_constructor() 
  {
      var win=window.open("/pp/handset_constructor.html", "trm_mms_info", "width=600, height=220, scrollbars, location=no, menubar=no, status=no, toolbar=no");
  }   

  function telco_mms_activation() 
  {
      var win=window.open("/pp/telco_mms_activation.html", "trm_mms_act", "width=590, height=670, scrollbars, location=no, menubar=no, status=no, toolbar=no");
  }  

  function ferien() 
  {
      var win=window.open("http://www.kmk.org/ferienkalender.html", "trm_mms_ferien", "width=800, height=550, scrollbars, location=no, menubar=no, status=no, toolbar=no");
//     win.moveTo(100, 100);  // erzeutgt im IE ein neues(!) Fenster
  }

  function bspmms() 
  {
      var win=window.open("index.php?com=bspmms", "BspMMS", "width=570, height=770, center, location=no, menubar=no, status=no, toolbar=no");
  }


  /** hide button  -  print if available  -  display button */
  function printPage(aButtonID1, aButtonID2)
  {
	    document.getElementById(aButtonID1).style.visibility = 'hidden';
	    if ( aButtonID2 != '' ) {
	        document.getElementById(aButtonID2).style.visibility = 'hidden';
	    }
	    if ( typeof(window.print) != 'undefined' ) {
	        window.print();
	    }
	    document.getElementById(aButtonID1).style.visibility = '';
	    if ( aButtonID2 != '' ) {
	        document.getElementById(aButtonID2).style.visibility = '';
	    }
  }
 
  function focus_input(aID) {
	    var uname = document.getElementById(aID);
	    if (uname != null) {
	        uname.focus(); 
	    }
  }

  function focus_em_pw() {
	    var uname = document.getElementById('focus_mms_em');
	    var pword = document.getElementById('focus_mms_pw');
	    if ( (uname != null) && (uname.value == '') ) {
	        uname.focus(); 
	    } else if ( (pword != null) )  { 
	        pword.focus(); 
	    }
  }