var n_carfotos  = 0;
var active_foto = 1; 

function toggleImg() {
    var img_index = $(this).id.replace('toggler_', '');
    
    /*$('carfoto_'+active_foto).hide();
    $('carfoto_'+img_index).show();*/
    
    if(img_index != active_foto) {
        $('carfoto_'+active_foto).fade({ duration: 1.0, from: 1, to: 0 });
        $('carfoto_'+img_index).appear({ duration: 1.0, from: 0, to: 1 });
        active_foto = img_index;
    }
}

function registerToggler(elem, option) {
    
    if(elem.addEventListener)
        elem.addEventListener("click", toggleImg, false);
    else
        elem.onclick = toggleImg;
}

function initFotoChanger() {
    var classes = ['imgToggler'];

    for(var o = 0; o < classes.length; o++) {
        
        var elements = $$("." + classes[o]);
        
        n_carfotos += elements.length;
        
        for(var i = 0; i < elements.length; i++)
            registerToggler(elements[i], classes[o]);
        
    }
}


//Event.observe( window, 'load', initFotoChanger);