SDDM_browser = "nn3";
SDDM_mac = false;

if(document.getElementById) SDDM_browser = "nn6";

if(document.all) SDDM_browser = "ie";

if(document.layers) SDDM_browser = "nn";

if(navigator.userAgent.toLowerCase().indexOf("mac")) SDDM_mac = true;

if(navigator.userAgent.toLowerCase().indexOf("ppc")) SDDM_mac = true;

if(navigator.userAgent.toLowerCase().indexOf("powerpc")) 
    SDDM_mac = true;

document.write("<script language=\"JavaScript1.2\" src=\"javascript/SDDM_"+SDDM_browser+".js\"></script>");