function QueryString(key) {
	var value = null;
	for (var i=0;i<QueryString.keys.length;i++)
		if (QueryString.keys[i]==key) {
			value = QueryString.values[i];
		break;
		}
	return value;
}

function QueryString_Parse() {
	var query = getQueryString();
	if (query == null) {
		return;
	}
	query = query.replace("&amp;", "&").replace("%26", "&").replace("&#38;", "&").replace("?", "&");
	var pairs = query.split('&');
	for (var i=0;i<pairs.length;i++) {
		var pos = pairs[i].indexOf('=');
		if (pos >= 0) {
			var argname = pairs[i].substring(0,pos);
			var value = pairs[i].substring(pos+1);
			QueryString.keys[QueryString.keys.length] = argname;
			QueryString.values[QueryString.values.length] = value;		
		}
	}
}

function getQueryString() {
	var url = top.location.href;
	var queryStart = url.indexOf('?') + 1;
	if (queryStart > 0) {
		queryString = url.substring (queryStart, url.length);
		if (queryString.length > 0) {
			return queryString;
		} else {
			return null;
		}
	} else {
		return null;
	}
	return queryString;
}

QueryString.keys = [];
QueryString.values = [];

QueryString_Parse();

var query0 = QueryString('sec');
var query1 = QueryString('subsec');