/****************************************
 * Globally Available Functions
 ****************************************/

// Attach an event
function addEvent(obj, type, fn) {
	if(obj.addEventListener)
		obj.addEventListener(type, fn, false);
	else if(obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); };
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

// Default duration of a transition effect (in ms)
var effectDuration = 250;