QB_browser = "nn3";QB_mac = false;if(document.getElementById) QB_browser = "nn6";if(document.all) QB_browser = "ie";if(document.layers) 
if(navigator.userAgent.toLowerCase().indexOf("mac")) QB_mac = true;if(navigator.userAgent.toLowerCase().indexOf("ppc")) QB_mac = true;if(navigator.userAgent.toLowerCase().indexOf("powerpc")) QB_mac = true;document.write("<script language=\"JavaScript1.2\" src=\"QB_"+QB_browser+".js\"></script>");