var slideShow = Class.create();

slideShow.prototype = {

initialize : function(element){
	
	this.element = $(element);
	this.alinks = $A(this.element.getElementsByTagName('a'));
	this.alinks.each(this.setupThumb.bind(this));
},
setupThumb : function(elm){
	Event.observe(elm,'mouseover',this.activate.bindAsEventListener(this),false);
},

activate : function(ev){
	var elm = Event.findElement(ev,"a");
	//document.write($(elm).firstDescendant().id);
	var tn = $(elm).firstDescendant().id;
	
	var detail = this.srcFunction(tn);
	$("detail").src = detail;
	
	$("caption").innerHTML = $(tn).title;
	Event.stop(ev);
},

srcFunction : function(elm) {
   // return $(elm).src.replace(/(.*)\.(jpg|gif|png)$/i, "$1_over.$2");
	return $(elm).src.replace(/_tn/, "");
  }
}