function changeImage()
{          
    var current = $('kuvaroll').get('src');
    var pieces = current.split("/");
    
    if(pieces[3])         
        var smaller = pieces[3].split("_");
    else      
        var smaller = pieces[2].split("_");
    
    var type = smaller[0];        
    var smallest = smaller[1].split(".");        
    var currentNRO = smallest[0].toInt();    
    
     var req = new Request.HTML({
        'url': '/ajax/imageroll.ajax.php?action=getNextImage&current='+currentNRO+'&hlo='+type,         
		'onSuccess': function(tree, elements, html) {    		        
            var fx = new Fx.Tween($("kuvaroll"));
            var fx2 = new Fx.Tween($("kuvaroll"));
            fx.addEvent("complete", function() { 
                $('kuvaroll').set('src', html);
                fx2.start("opacity", 0, 1);
            });          
                           
            fx.start("opacity", 1, 0);
		} 
	}).send();
}

function startActions(type)
{
    if($('kuvaloota') && $('kuvaroll'))
    {               
        $('kuvaroll').set('src', "/images/kuvaroll/"+type+"_1.jpg");        
        changeImage.periodical(10000);
    }   
}