var counter = 0;
var speed = 1.0;
var timeout = 3.0;

function showTestimonial()
{
    if(testimonialAvt.length == 0) return;
    if(counter == testimonialAvt.length) {
        counter = 0;
    }
    var objAvtImg = $('avtrsrc');
    var objAvt = $('avtr');
    var objTxt = $('txt');

    objAvtImg.src = testimonialAvt[counter];
    objTxt.innerHTML = testimonialTxt[counter];

    new Effect.Appear(objAvt, { duration: speed });
    new Effect.Appear(objTxt, { duration: speed });

    setTimeout("hideTestimonial();", (timeout+speed)*1000);
}

function hideTestimonial()
{
    var objAvt = $('avtr');
    var objTxt = $('txt');

    new Effect.Fade(objAvt, { duration: speed });
    new Effect.Fade(objTxt, { duration: speed });

    counter++;
    setTimeout("showTestimonial();", speed*1000);
}