bName = navigator.appName;
 bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n4"; 
    else br = "n3";
	
var showMsg = navigator.userAgent != "";	

function dmim(msgStr) {
  document.MM_returnValue = false;
  if (showMsg) {
     window.status = msgStr;
     document.MM_returnValue = true;
  }
}