var          browserName =  navigator.appName;
var          browserVer;
if          (browserName == "Netscape"){browserVer = parseFloat(navigator.appVersion)}
else if     (browserName == "Microsoft Internet Explorer"){var MSIEIndex = navigator.appVersion.indexOf("MSIE") + 5;browserVer = parseFloat(navigator.appVersion.substr(MSIEIndex,3));}
var                  IE3 =  ((browserName == "Microsoft Internet Explorer")&&(browserVer >= 3.0 && browserVer < 4.0)) ? 1 : 0;
var                  IE4 =  (document.all) ? 1 : 0;
var					 IE5 =  ((browserName == "Microsoft Internet Explorer")&&(browserVer >= 5))?1:0;
var                  IE6 =  ((browserName == "Microsoft Internet Explorer")&&(browserVer >= 6))?1:0;
var                   IE =  (IE3 || IE4 || IE5 || IE6) ? 1 : 0;
var              IEdhtml =  (IE4 || IE5 || IE6) ? 1 : 0;
var                  NS3 =  ((browserName == "Netscape")&&(browserVer >= 3.0 && browserVer < 4.0)) ? 1 : 0;
var                  NS4 =  (document.layers) ? 1 : 0;
var                  NS6 =  (document.getElementById && !IE) ? 1 : 0;
var                   NS =  (NS3 || NS4 || NS6) ? 1 : 0;
var              NSdhtml =  (NS4 || NS6) ? 1 : 0;
var                isMac =  (navigator.appVersion.indexOf("Mac") != -1) ? 1 : 0;
var              isTrans =  (NS4 || (IE4 && !isMac)) ? 1 : 0;
var              isDHTML =  (NSdhtml || IEdhtml) ? 1 : 0;

function DetectBrowser(blnReturn)
	{
	/*
	if (isMac || NS || (!IE5 && !IE6))
		{
		var strDetection = "";
		if (isMac){strDetection = strDetection + "- A Macintosh-based Computer System\n";}
		if (NS){strDetection = strDetection + "- A non-Internet Explorer Web Browser\n";}
		if (IE && (!IE6)){strDetection = strDetection + "- An Internet Explorer Web Browser Version Less Than 6\n";}
		strDetection = strDetection + "\n";
		alert("Thank you for visiting this site.\n\nPlease note that this site is best viewed using Microsoft Internet Explorer versions 6 and up on a PC-compatible computer.\n\nWe have detected that you are using:\n\n" + strDetection + "Please return to this site using the specified system requirements.");
		if (blnReturn != null){return false;}
		}
	else {if (blnReturn != null){return true;}}
	*/
	return true
	}