var Tour = Class.create();

Tour.prototype = {
    initialize: function() {
    },
    bindMeExpand: function(element) {
Event.observe(element, 'click', this.expandMe.bindAsEventListener(this), false);
    },
bindMeCollapse: function(element) {
Event.observe(element, 'click', this.collapseMe.bindAsEventListener(this), false);
$('readMoreCollapse').style.display='none';
    },
expandMe: function() {
$('readMore').className='show';
$('readMoreExpand').style.display='none';
$('readMoreCollapse').style.display='block';
},
collapseMe: function() {
$('readMore').className='hide';
$('readMoreExpand').style.display='block';
$('readMoreCollapse').style.display='none';
}
}

function tourWindowOnLoad() {
var myTour = new Tour();
myTour.bindMeExpand('readMoreExpand');
myTour.bindMeCollapse('readMoreCollapse');
}

Event.observe(window, 'load', tourWindowOnLoad, false);