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