function detectBrowser()
{
var browser=navigator.appName;
var b_version=navigator.appVersion;
var version=parseFloat(b_version);
if ((browser=="Netscape"||browser=="Microsoft Internet Explorer")
  && (version>=3)) // 
{
	// Browser Is OK.. Do nothing.
 }
else
{
	// Browser Is NOT compatible - Alert the user and make them upgrade.
	alert("You are running a browser that will not allow this site to function appropriately. Click OK to be transferred to the Microsoft Download Page to upgrade.");
    window.location="http://www.microsoft.com/windows/internet-explorer/default.aspx";
 }
}