var carousel_ctr = 1;
var carousel_length = 5;
var carousel_last_focus = 0;

function setFocus() {		
	if(carousel_last_focus)
		eval("document.getElementById('set_"+ carousel_last_focus  +"').style.display = 'none'");	
		
	eval("document.getElementById('set_"+ carousel_ctr  +"').style.display = 'block'");		
}

window.addEvent('domready', function() { 	
	$$('#left .left').addEvent('click', function() {		
		carousel_last_focus = carousel_ctr;
		
		if((carousel_ctr-1)>0)		
			carousel_ctr -= 1;
		else
			carousel_ctr = carousel_length;			
				
		setFocus();
		return false;		
	});
 
});

window.addEvent('domready', function() { 	
	$$('#right .right').addEvent('click', function() {		
		carousel_last_focus = carousel_ctr;
		
		if((carousel_ctr+1)<=carousel_length)
			carousel_ctr += 1;
		else
			carousel_ctr = 1;
				
		setFocus();				
		return false;		
	}); 
});