window.addEvent('domready', function() {
	var item_width = 295;
	var item_height = 90 + 30;
	var numitems = 5;
	var carousel_width = 590 + (numitems);
	var t_stepsize = 590;
	var stepsize = t_stepsize + (Math.ceil(t_stepsize/item_width));

	
	var currpos = 0;
	var start = 0;
	
	$('carousel_wrap').setStyle('height', item_height);
	$('carousel_wrap').setStyle('width', carousel_width);
	$$('.carousel_item').setStyle('width', item_width);
	$$('.carousel_item').setStyle('height', item_height);
	
	var full_width = ((numitems) + (numitems * item_width));
	//$('track').set('html', carousel_width);
	
	var steps = Math.ceil(full_width/carousel_width);
	
	$('carousel_next').addEvent('click', function(){
		//$('track').set('html', currpos + ' ' + steps + ' ' + numitems + ' ' + full_width + ' '+ start);
		if( (currpos) < steps && steps != numitems && ( (stepsize * (currpos+1)) < full_width) ){
			currpos++;
			
			start = (stepsize * currpos * -1);
	
			$('the_carousel').tween('margin-left', start);
		}

	});
	
	$('carousel_prev').addEvent('click', function(){
	
		if(currpos > 0){
			currpos--;
			
			start = (stepsize * currpos * -1);
	
			$('the_carousel').tween('margin-left', start);
			
					
		}
	});	
});