/**
 * @author Cristiano
 */

/** VARS */
var actClassName = 'active';
var lb_trocaArtigo = 'trocaartigo';
var jDisplay = null;
var count = 0;

/** FUNCTIONS */
function showNext(){
    jActive = $('.carrossel li.' + actClassName);
    if (jActive != jActive.showNext()) {
        jDisplay.text(parseInt(jDisplay.text()) + 1);
    }
    else {
        $('.carrossel li.' + actClassName).showFirst();
        jDisplay.text(1);
    }
}

function loopStart(){
    if (count) 
        jDisplay.everyTime(delay_carrossel + 's', lb_trocaArtigo, function(){
            showNext();
        });
}

$(function(){
    jDisplay = $('.carrossel h4 b');
    count = $('.carrossel li').length;
    delay_carrossel = $('.carrossel input').attr('value');
    $('.carrossel .next').click(function(){
        showNext();
        jDisplay.stopTime(lb_trocaArtigo);
        loopStart();
        return false;
    });
    
    $('.carrossel .back').click(function(){
        jActive = $('.carrossel li.' + actClassName);
        if (jActive != jActive.showPrev()) {
            jDisplay.text(parseInt(jDisplay.text()) - 1);
        }
        
        jDisplay.stopTime(lb_trocaArtigo);
        loopStart();
        return false;
    });
    loopStart();
});