if (expDays == null) // set expDays before loading this js file
{
var expDays = 60; // number of days the cookie should last
}

//Seems to turn exp into now + expDays in milliseconds
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));


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;  
	
	//expires used to say "" where ("; expires=" + exp) is now -  03/12/02pd
	document.cookie = name + "=" + escape (value) + 
							((expires == null) ? ("; expires=" + exp.toGMTString()) : ("; expires=" + expires.toGMTString())) + 
							((path == null) ? "; path=/" : ("; path=" + path)) +  
							((domain == null) ? "" : ("; domain=" + domain)) + 
							((secure == true) ? "; secure" : "");
							
}

/*
Replaced because path didn't work!
function DeleteCookie (name)
{  
	var exp = new Date();  
	
	exp.setTime (exp.getTime() - 1);  

	var cval = GetCookie (name);  
	
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}*/


function amt(name)
{
	var count = GetCookie(name)
	
	if(count == null)
	{
		SetCookie('count','1')
		return 1
	}
	else
	{
		var newcount = parseInt(count) + 1;
		DeleteCookie('count')
		SetCookie('count',newcount,exp)
		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 DeleteCookie(name, path, domain) {
  var theValue = GetCookie(name); // We need the value to kill the cookie
  if(theValue) {
      document.cookie = name + '=' + theValue + '; expires=Fri, 13-Apr-1970 00:00:00 GMT' + ((path)?';path=' + path:';path=/') + ((domain)?';domain=' + domain:''); // set an already-expired cookie
  }
}