if (document.addEventListener)
     document.addEventListener(
       "DOMContentLoaded", cmxform, false) ;

   function cmxform() {
     //   On cache le formulaire
     $("form.cmxform").hide().end();

    //   Traitement
    $("form.cmxform").find("li/label")
	    .not(".nocmx").each(function (i) {
    var labelContent = this.innerHTML;
    var labelWidth =
      document.defaultView.getComputedStyle(
         this,"").getPropertyValue ("width");  
    var labelSpan = document.createElement(
            "span");
    labelSpan.style.display = "block";
    labelSpan.style.width = labelWidth;
    labelSpan.innerHTML = labelContent;
    this.style.display = "-moz-inline-box";
    this.innerHTML = null;
    this.appendChild(labelSpan);
   } ).end ();

   //   On réaffiche le formulaire
   $("form.cmxform").show().end(); 
   }