function writeCookie(name,value,minutes) {
	var date = new Date();
	date.setTime(date.getTime()+(minutes*60*1000));
	document.cookie = name + "=" + value + "; expires="+date.toGMTString();
}

function eraseCookie(name) {
	writeCookie(name, "", -1);
}

function readCookie(name) {
	var cookieList = document.cookie;
	if (cookieList == null || cookieList.length == 0)
		return false;
	var begin = cookieList.indexOf(name + '=');
	if (begin < 0)
		return false;
	begin += name.length + 1;
	var end = cookieList.indexOf(';', begin);
	if (end < 0)
		end = cookieList.length;
	return unescape(cookieList.substring(begin, end));
}

var qsParms = new Array();
try {
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i = 0;i < parms.length;++i) {
		var pos = parms[i].indexOf('=');
		if (pos > 0) {
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParms[key] = val;
		}
	}
}
catch (e) {
}