function Querystring(qs) { // optionally pass a querystring to parse
	this.params = new Object()
	this.get=Querystring_get
	
	if (qs == null)
		qs=location.search.substring(1,location.search.length)

	if (qs.length == 0) return

	qs = qs.replace(/\+/g, ' ')
	var args = qs.split('&') // parse out name/value pairs separated via &
	
	for (var i=0;i<args.length;i++) {
		var value;
		var pair = args[i].split('=')
		var name = unescape(pair[0])

		if (pair.length == 2)
			value = unescape(pair[1])
		else
			value = name
		
		this.params[name] = value
	}
}

function Querystring_get(key, default_) {
	if (default_ == null) default_ = null;
	
	var value=this.params[key]
	if (value==null) value=default_;
	
	return value
}

var qstring = location.search;
var qs = new Querystring();

if (qs.get("q").length > 1) {
	var resd = document.getElementById(bsresultsdiv);
	if (resd) {
		resd.innerHTML = '<iframe src="http://blawgsearch.justia.com/friend.aspx'+qstring+'" width="'+bsresultswidth+'" height="'+bsresultsheight+'" frameborder="0"></iframe>';
	}
	var qbox = document.getElementById(bsformname).q;
	if (qbox) {
		qbox.value=qs.get("q");
	}
	var catbutton = document.getElementById("catid_"+qs.get("catid"));
	if (catbutton) {
		catbutton.checked = true;
	}
}