function checkBrowserProperties(){
		if(navigator.appName=="Netscape"){
			nsnav()
			}
			else
			{		
		if(navigator.appName=="Microsoft Internet Explorer"){
			msnav()
			}
			else
			{
		str1 = "You are using a browser other than Microsoft IE or Netscape Navigator.  "
		str2 = "This site has only been tested with these two browsers, version 4 and greater "
		str3 = "and requires that JavaScript and cookies be enabled.  "
		str4 = "Your results may be unpredictable."
		alert(navigator.appName+"\n\n"+str1+str2+str3+"\n\n"+str4)
		}
		}
		}

function nsnav(){
	navVer= new String(navigator.appVersion)
	//alert(navVer.substring(0,3))
	if ((navVer.substring(0,3)) < 4.5){
	str1 = "You are seeing this message because you are using a version of Netscape Navigator older than Version 4.5.  "
	str2 = "This site has only been tested with Navigator 4.5 and greater "
	str3 = "and requires that JavaScript and cookies be enabled.  "
	str4 = "There are much newer versions of this browser available for free download from the Netscape Website.  "
	str5 = "Your results may be unpredictable."
	alert(navigator.appName+"\n"+"Version: "+navVer+"\n\n"+str1+str2+str3+"\n\n"+str4+"\n\n"+str5)
	}
}

function msnav(){
	navVer= new String(navigator.appVersion)
	navCookie= new String(navigator.cookieEnabled)
	//alert(navVer.substring(0,3))
	if ((navVer.substring(0,3) < 4.0)||(navCookie=='false')){
	str1 = "You are seeing this message because:"+"\n"+"(1) you are using a version of Microsoft Internet Explorer older than Version 4.0, OR,"+"\n"+"(2) the ability of your browser to accept cookies is DISABLED.  "
	str2 = "\n"+"This site has only been tested with IE 4.01 and greater "
	str3 = "and requires that JavaScript and cookies be enabled.  "
	str4 = "If you are using a version of IE older than 4.0, there are much newer versions of this browser available for free download from the Microsoft Website.  "
	str5 = "Your results may be unpredictable."
	alert(navigator.appName+"\n"+"Version: "+navVer+"\n"+"cookies enabled: "+navCookie.toUpperCase()+"\n\n"+str1+str2+str3+"\n\n"+str4+"\n\n"+str5)
	}
}