window.addEvent('domready', function() {
	var STEP = 5;
	var currstep = 0;
	var steps = $('SLIDEINNER').getElements('IMG');
	
	var scroll = new Fx.Scroll($('SLIDEWRAPPER'), {
		wait: false,
		// duration: 2500,
		transition: Fx.Transitions.Quad.easeInOut
	});
	$('SCROLLLEFT').addEvent('click', function(event) {
		event = new Event(event).stop();
		currstep -= (currstep >=  STEP)?(STEP):(0);
		scroll.toElement(steps[currstep]);
		// scroll.toLeft('SLIDEINNER');

	});
	$('SCROLLRIGHT').addEvent('click', function(event) {
		event = new Event(event).stop();
		currstep += (currstep < steps.length-STEP)?(STEP):(0);
		scroll.toElement(steps[currstep]);
		// scroll.toRight('SLIDEINNER');
	});
	
});

function openslide(url) {
    width  = 790;	xoffs = (screen.width - width) / 2;
    height = 460;	yoffs = (screen.height - height) / 2;
	var popup = window.open(url, 'slides', 'width='+width+',height='+height+',left='+xoffs+',top='+yoffs+',dependent=yes');
	popup.focus();
}