var nome=navigator.userAgent;
brow=nome.search("Mac");

// Redirection des Feuilles de style  // 	
if (brow != -1)  {
   document.write("<LINK REL='stylesheet' HREF='library/feuille_mac.css' TYPE='text/css'>"); }
else if (navigator.appName == "Microsoft Internet Explorer") {
   document.write("<LINK REL='stylesheet' HREF='library/feuille_ie.css' TYPE='text/css'>"); }
else {
   document.write("<LINK REL='stylesheet' HREF='library/feuille_nc.css' TYPE='text/css'>"); }


// Ouvre fenetre //
function OW(theURL,winName,features) {
  window.open(theURL,winName,features);
}


function act_pat(nomImg)
 {
    if (document.images)
        document.images[nomImg].src = "img_com/"+nomImg+"_on.gif";
 	}   
function inact_pat(nomImg)
 {
    if (document.images)
        document.images[nomImg].src = "img_com/"+nomImg+"_off.gif";
 }