function MarkAllCheck(){
    for(i=0;i<=19;i++){
      document.getElementById("Check" + i).checked = true; 
    }
  }
  
  function unMarkAllCheck(){
    for(i=0;i<=19;i++){
      document.getElementById("Check" + i).checked = false; 
    }    
  }
  
  function showMenu(id){
      document.getElementById('menuDeroulant' + id).style.display = 'block';
  }
           
  function hideMenu(id){
      document.getElementById('menuDeroulant' + id).style.display = 'none'; 
  }
  
  function showEvent(id){
      document.getElementById('event' + id).style.display = 'block';
  }
           
  function hideEvent(id){
      document.getElementById('event' + id).style.display = 'none'; 
  }
  
  function search(value){
      if(value == '') value='abcedefghijklmnopqrstuvwxz123456789*';
      
      var chaine = document.getElementById('tarif');
      var str = chaine.innerHTML;     
      chaine.innerHTML = str.replace("/<b>/"," "); 
      chaine.innerHTML = str.replace("/</b>/"," ");
      
      var reg=new  RegExp('<span style="background-color: RED;">([^\<]*)</span>', "gi");
      str = str.replace(reg,"$1");
      
      var reg2=new  RegExp("(" +value+ ")", "gi");
      chaine.innerHTML = str.replace(reg2,"<span style=\"background-color: RED;\">$1</span>");
  }          
  
  function slider(id, max){
      for(i=1;i<=max;i++){
          document.getElementById('references-'+i).style.display='none';
          document.getElementById('lien-'+i).className = '';
      }
      document.getElementById('references-'+id).style.display='block';
      document.getElementById('lien-'+id).className = 'check';
  }

  function confirmLink(theLink)
  {
        confirmMsg = 'Êtes-vous sûr de vouloir continuer ?';
        if (confirmMsg == ''){
            return true;
        }

        var is_confirmed = confirm(confirmMsg);
        
        if (is_confirmed){
            theLink.href;
        }

        return is_confirmed;
  }
  
  function confirmLinkMark(vars)
  {
        confirmMsg = 'Êtes-vous sûr de vouloir continuer ?';
        if (confirmMsg == ''){
            return true;
        }

        var is_confirmed = confirm(confirmMsg);
        
        if (is_confirmed){
            document.forms[''+vars+''].submit();
        }

        return is_confirmed;
  }