function displaycontent(id) {
  if(id != null){
    var d = document.getElementById(id).style.display;
    document.getElementById(id).style.display = (d == "none" || d == "") ? "block" : "none";
    if(document.getElementById(id).style.display == "none"){
      document.getElementById("divopen").style.display = "block";
    }
  }
}

var cur = "etap1";
function show(id){    
   e_show = document.getElementById(id);
   if(e_show) e_show.style.display = "block";
   e_hide = document.getElementById(cur);
   if(e_hide) e_hide.style.display = "none";
   cur = id;
}

function active(id){
  for(i=1; i<7; i++){  
    if(i==id){
       e = document.getElementById('m'+i);
       if(e){
          e.style.color='#FF8A00';
          e.decoration='none';
       }
       e = document.getElementById('mb'+i);
       if(e){
          e.style.color='#FF8A00';
          e.decoration='none';
       }
   }else{
       e = document.getElementById('m'+i);
       if(e){
         e.style.color='#044462';
         e.decoration='underline';
       } 
       e = document.getElementById('mb'+i);
       if(e){
         e.style.color='#044462';
         e.decoration='underline';
       } 
      //alert(i+" "+ id + "  "+e.style.color);
   }
 }  
}