DOM = (document.getElementById) ? true : false;
NS4 = (document.layers) ? true : false;
IE = (document.all) ? true : false;

BrowserString = NS4 ? "NS" : IE ? "IE2" : "DOM";

IE ? document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='datas/script"+ BrowserString +".js' TYPE='text/javascript'><\/SCR" + "IPT>") : "";