function init()
  {
     if (document.getElementById("mManager"))
        document.getElementById("mManager").style.visibility = "hidden";
     if (document.getElementById("mManagement"))
        document.getElementById("mManagement").style.visibility = "hidden";
     if (document.getElementById("mInterna"))
        document.getElementById("mInterna").style.visibility = "hidden";
     if (document.getElementById("mHome"))
        document.getElementById("mHome").style.visibility = "hidden";
  }
  function hide(element)
  {
     if (document.getElementById(element))
        document.getElementById(element).style.visibility = "hidden";
     if (document.getElementById(element+'T'))
     {
        document.getElementById(element+'T').style.background = "transparent";
        document.getElementById(element+'T').style.borderLeft = '0px';
        document.getElementById(element+'T').style.borderBottom = '0px';
        document.getElementById(element+'T').style.paddingLeft = '5px';
     }
  }
  function show(element)
  {
     if (document.getElementById(element) && element != 'mHome')
        document.getElementById(element).style.visibility = "visible";
     if (document.getElementById(element+'T'))
     {
        document.getElementById(element+'T').style.background = '#84ADDE';
        document.getElementById(element+'T').style.borderLeft = '2px solid #395A94';
        document.getElementById(element+'T').style.borderBottom = '1px solid #395A94';
        document.getElementById(element+'T').style.paddingLeft = '3px';
     }
  }
  function showConceptMenu()
  {
     document.getElementById('ConceptMenu').style.visibility = "visible";
  }