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)
		{
			var endstr = document.cookie.indexOf (";", j);
			if (endstr<0)	endstr = document.cookie.length;
			return unescape(document.cookie.substring(j, endstr));
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i<1)	break; 
	}
	return null;
}

function setCookie (name,value)
{
	var mactime = new Date(0);	// Mac special time
	var expires = new Date();
	expires.setTime (expires.getTime() + 1000*60*60*24*365 - mactime.getTime());	// +1 year
	document.cookie = name + "=" + escape (value) + "; expires=" + expires.toGMTString();
}