var divFade = new Array('teaserbox_1', 'teaserbox_2', 'teaserbox_3');
var buttonFade = new Array('teaserbutton_1', 'teaserbutton_2', 'teaserbutton_3');
var i = 0;
var teaserWait = 5000;

// Fadefunction
function teaserFade(v, vv) {
        if (vv != null) {
                i = vv;
                window.clearInterval(intervalFade);
                window.intervalFade = setInterval('teaserFade(' + v + ')',teaserWait);
        }

        // Element ausblenden
        Effect.Appear(divFade[i], { duration: 1, from: 1.0, to: 0.0 });
        document.getElementById(divFade[i]).style.zIndex = 1;
        document.getElementById(buttonFade[i]).className = 'teasernumber_button_disabled';
        i++;

        if (i == v) {
                i = 0;
        }

        // Element einblenden
        Effect.Appear(divFade[i], { duration: 1, from: 0.0, to: 1.0 });
        document.getElementById(divFade[i]).style.zIndex = 2;
        document.getElementById(buttonFade[i]).className = 'teasernumber_button';

        window.fadeActive = i;
}

// Manuelle Fadefunktion
function manuelFade(v,vv) {
        window.clearInterval(intervalFade);

        // Element ausblenden
        Effect.Fade(divFade[fadeActive], { duration: 1, from: 1.0, to: 0.0 });
        document.getElementById(divFade[fadeActive]).style.zIndex = 1;
        document.getElementById(buttonFade[fadeActive]).className = 'teasernumber_button_disabled';

        // Element einblenden
        Effect.Appear(divFade[v], { duration: 1, from: 0.0, to: 1.0 });
        document.getElementById(divFade[v]).style.zIndex = 2;
        document.getElementById(buttonFade[v]).className = 'teasernumber_button';

        window.intervalFade = setInterval('teaserFade(' + vv + ',' + v +')',teaserWait);
        window.fadeActive = v;
}