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] );
	}
}

function stopDefault(e){
	if (e.preventDefault) {
		e.preventDefault(); // The W3C DOM way
	} else {
		e.returnValue = false; // The IE way
	}
}

var uoSlideshow = {
	CLASS_NAME : 'slideshow',
	viewer : new PhotoViewer(),
	initialize : function(){
		for(var i=0; (a = document.getElementsByTagName('a')[i]);i++ ){
			if (uoSlideshow.isSlide(a)) {
				a.index = i;
				uoSlideshow.viewer.add(a.href, a.title);
				addEvent(a,'click',function(e){ stopDefault(e); uoSlideshow.viewer.show(this.index);  });
			}
		}
		uoSlideshow.viewer.setBackgroundColor('#9d9894');
	    uoSlideshow.viewer.setBorderWidth(2);
	    uoSlideshow.viewer.setFontSize(16);
	    uoSlideshow.viewer.setShadeColor('#9d9894');
	},
	isSlide : function(obj)	{
		if (obj && obj.className){
			var cn = obj.className.split(" ");
			var i = cn.length-1;
			while (c = cn[i]) {
				if (c == uoSlideshow.CLASS_NAME){
					return true;
				}
				i--;
			}
		}
		return false;
	}
}


addEvent(window,'load',uoSlideshow.initialize);