function changeColor(theColorReverse, theColor) {
  document.getElementById("footer").className = theColorReverse;
  if( document.getElementById("textZoneTitle") )
    document.getElementById("textZoneTitle").className = theColor;
    
   if( document.getElementById("linkToPlatform") )
    document.getElementById("linkToPlatform").className = theColor;
   if( document.getElementById("linkToDemoAccount") )
    document.getElementById("linkToDemoAccount").className = theColor;
}  
function setItemMenu(theIdMenu, theClassColor) {
  document.getElementById(theIdMenu).className = theClassColor;
}