tvs_browser = "nn6";
tvs_mac = false;
if(document.getElementById) tvs_browser = "nn6";
if(document.all) tvs_browser = "ie";
if(document.layers) tvs_browser = "nn";
if(navigator.userAgent.toLowerCase().indexOf("mac")) tvs_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("ppc")) tvs_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("powerpc")) tvs_mac = true;
document.write("<script language=\"JavaScript1.2\" src=\"tvs_"+tvs_browser+".js\"></script>");