// Cookie Toolbox Javascript
// copyright 4th September 2002, by Stephen Chapman, Felgall Pty Ltd

// You have permission to copy and use this javascript provided that
// the content of the script is not changed in any way.
// For instructions on how to use these functions see "A Cookie Toolbox"
// in the Javascript section of our site at http://www.felgall.com/

var dbug = 0; 
function d_a(ary) 
{
	var beg = next_entry(ary) - 1; 
	for (var i = beg ; i > -1; i--) 
	{
		ary[i] = null;
	}
} 

function init_array() 
{
	if (dbug) alert('init_cookie');  
	var ary = new Array(null); 
	return ary;
} 

function set_cookie(name,value,expires) {
	if (dbug) alert('set_cookie'); 
//	if (!expires) expires = new Date();
	
	if(!expires)
	{
		document.cookie = name + '=' + escape(value) + '; path=/';
	}
	else
	{
		document.cookie = name + '=' + escape(value) + '; expires=' + expires.toGMTString() + '; path=/';
	}
} 

function get_cookie(name) 
{
	if (dbug) alert('get_cookie'); 
	var dcookie = document.cookie; 
	var cname = name + "="; 
	var clen = dcookie.length; 
	var cbegin = 0; 
	while (cbegin < clen) 
	{
		var vbegin = cbegin + cname.length;
		if (dcookie.substring(cbegin, vbegin) == cname) 
		{
			var vend = dcookie.indexOf (";", vbegin); if (vend == -1) vend = clen; 
			return unescape(dcookie.substring(vbegin, vend));
		} 
		cbegin = dcookie.indexOf(" ", cbegin) + 1; 
		if (cbegin == 0) 
		break;
	} 
	return null;
} 
	
function del_cookie(name) 
{
	if (dbug) alert('del_cookie');
	document.cookie = name + '=' + '; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';
} 

function get_array(name, ary) 
{
	if (dbug) alert('get_array'); 
	d_a(ary); 
	var ent = get_cookie(name); 
	if (ent) 
	{
		i = 1; 
		while (ent.indexOf('^') != '-1') 
		{
			ary[i] = ent.substring(0,ent.indexOf('^')); 
			i++;
			ent = ent.substring(ent.indexOf('^')+1, ent.length);
		}
	}
} 

function set_array(name, ary, expires) 
{
	if (dbug) alert('set_array'); 
	var value = ''; 
	for (var i = 1; ary[i]; i++) 
	{
		value += ary[i] + '^';
	} 
	set_cookie(name, value, expires);
} 

function del_entry(name, ary, pos, expires) 
{
	if (dbug) alert('del_entry');
	var value = ''; get_array(name, ary); 
	for (var i = 1; i < pos; i++) 
	{
		value += ary[i] + '^';
	} 
	for (var j = pos + 1; ary[j]; j++) 
	{
		value += ary[j] + '^';
	} 
	set_cookie(name, value, expires);
} 

function next_entry(ary) 
{
	if (dbug) alert('next_entry'); 
	var j = 0; 
	for (var i = 1; ary[i]; i++) {j = i} 
	return j + 1;
}

function debug_on() 
{
	dbug = 1;
} 

function debug_off() 
{
	dbug = 0;
} 

function dump_cookies() 
{
	if (document.cookie == '') 
		document.write('No Cookies Found'); 
	else 
	{
		thisCookie = document.cookie.split('; '); 
		for (i=0; i<thisCookie.length; i++) 
		{
			document.write(thisCookie[i] + '<br\/>');
		}
	}
}