<!--
function hide(id) {
  
  if (id != '') 
  { 	
    if (document.layers) 
    {
        document.layers[id].visibility = 'hidden';
    }
    else if (document.all) 
    {
        document.all[id].style.visibility = 'hidden';
    }
  }
  else
  {
     hide('Mentaura');		  
     hide('Candidates');		  
     hide('Clients');		  
  }
  

}

function show(id) {
    if (document.layers) {
        document.layers[id].visibility = 'visible';
    }
    else if (document.all) {
        document.all[id].style.visibility = 'visible';
    }
}
//-->