function setNavigatorStyle(){
// Because IE sucks !!!
  var i, a, main;

/// IE versions
  if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
   var ieversion=new Number(RegExp.$1) ;// capture x.x portion and store as a number
   navVersion="ie";
  }
/// MOZILLA versions

  if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ //test for Firefox/x.x or Firefox x.x (ignoring remaining digits);
   var ffversion=new Number(RegExp.$1); // capture x.x portion and store as a number
   navVersion="moz";
  }

  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1){
//        alert(a.getAttribute('href'));
      if (a.getAttribute('href') == navVersion + ".css") {
        a.disabled = false;
  //      alert(a.getAttribute('href') + " active");
      }else{
        a.disabled = true;
   //     alert(a.getAttribute('href') + " desactive");
      }
    }
  }
}