var oldFillInfoBubble = 
		Timeline.DefaultEventSource.Event.prototype.fillInfoBubble;
        Timeline.DefaultEventSource.Event.prototype.fillInfoBubble = 
			function(elmt, theme, labeller) {
            oldFillInfoBubble.call(this, elmt, theme, labeller);

            var eventObject = this;
			var div = document.createElement("div");
            div.innerHTML = "<br/><span><p><b>City:</b> " + this.getProperty("city") + "</p><p><b>Country:</b> " + this.getProperty("country") + "</p><p><br>"  + "<a href=" + this.getProperty("details") + ">" + "<img src=images/buttons/more_information.gif>" + "</a>" + "</p></span>";
            
            elmt.appendChild(div);
        }