function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
	var j = i + alen;    
	if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}
function SetCookie (name, value) {  
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null;  
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
	document.cookie = name + "=" + escape (value) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}


function browserUpdate(){
	var count = GetCookie('count')
	if(count == null) {
		SetCookie('count','1')
		browserCheck()
		return 1
	}
	else {
		var newcount = parseInt(count) + 1;
		SetCookie('count',newcount)
		return count
	}
}
function getCookieVal(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

function showAlert() {
var alertMsg1="You are using an older version of Netscape browser";
var alertMsg2="\n\n\Some features of Docfind will not work properly and you should upgrade your browser ";
alert(alertMsg1 + alertMsg2);

}

var myBrowser = navigator.appName;
var browserVersion = parseFloat(navigator.appVersion);

function browserCheck()
	{
		if(myBrowser == "Netscape" && browserVersion <= 4.77)
		{
			showAlert()
		}
	}