$(document).ready(function(){
    $("#mainmenu li").hover(
        function(){ $("ul", this).show(); }, 
        function() { $("ul", this).hide(); } 
    );
    if (document.all) {
        $("#mainmenu li").hoverClass ("sfhover");
    }
});
$.fn.hoverClass = function(c) {
    return this.each(function(){
        $(this).hover( 
            function() { $(this).addClass(c);  },
            function() { $(this).removeClass(c); }
        );
    });
};    

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

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ')
	var args = qs.split('&') // parse out name/value pairs separated via &
	
// split out each name=value pair
	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_) {
	// This silly looking line changes UNDEFINED to NULL
	if (default_ == null) default_ = null;
	
	var value=this.params[key]
	if (value==null) value=default_;
	
	return value
}

function round (n, d) {
  n = n - 0;
  d = d || 2;
  var f = Math.pow(10, d);
  n = Math.round(n * f) / f;
  n += Math.pow(10, - (d + 1));
  n += '';
  return d == 0 ? n.substring(0, n.indexOf('.')) :
      n.substring(0, n.indexOf('.') + d + 1);
}

function format1000 (n, d) {
  n = round (n, d);
  for (var i = n.indexOf('.') - 3; i > 0; i -= 3)
    n = n.substring(0, i) + ',' + n.substring(i);
  return n;
}