var sitebase = '/';
var whittingtonmenu = {
	register:function(){
		Event.observe(window, 'load', whittingtonmenu.init);
	},
	init:function(){
    $$('#mm a').each(function(a){
      Event.observe(a, 'mouseover', whittingtonmenu.mouseover);
      Event.observe(a, 'mouseout', whittingtonmenu.mouseout);
			});
    var elementList = document.getElementsByClassName("active");
		$('mm').style.background = 'url(' + sitebase + 'i/mm/' + elementList[0].id + '.jpg) top left no-repeat';
		// preload the menu images
		var tmp=new Array();
    var myImg = new Array('i/mm/m-cm.jpg', 'i/mm/m-cn.jpg', 'i/mm/m-h.jpg', 'i/mm/m-ph.jpg', 'i/mm/m-pj.jpg', 'i/mm/m-pr.jpg');
    myImg.each(function(img){
      image = new Image();
      image.src = sitebase + img;
      tmp.push(image);
    });
	},
	mouseover:function(e){
		var a = Event.findElement(e, 'a');
		$('mm').style.background = 'url(' + sitebase + 'i/mm/' + a.id + '.jpg) top left no-repeat';
	},
	mouseout:function(e){
		var elementList = document.getElementsByClassName("active");
		$('mm').style.background = 'url(' + sitebase + 'i/mm/' + elementList[0].id + '.jpg) top left no-repeat';
	}
}
whittingtonmenu.register();