var current = 0;

function nextclick(item_number, execute) {
    if (execute == undefined) {
        next_button_click();
    }
    if (current < item_number) {
        setTimeout("nextclick(" + item_number +")", 3000);
    }
};

function next_button_click() {
    current++;
    $('.slider-content div').animate({
        left: '-=670'
    }, 750);
    next_button.hide();
}
    
jQuery(document).ready(function() {
    var i = 0;
    var auto = 1;

    jQuery(".slider-content > div").each(function(){
        //Col·loquem els elements en filera posicionats de forma absoluta
        jQuery(this).css("position","absolute");
        jQuery(this).css("top","0");
        jQuery(this).css("left",670 * i);

        //Muntem el comptador de les diapositives
        if(i == current){
            jQuery(".slider-counter ul").append("<li class=\"selected\">" + (i+1) + "</li>");
        }else{
            jQuery(".slider-counter ul").append("<li>" + (i+1) + "</li>");
        }

        //Incrementem l'index
        i++;
    });
    
    

    var item_number = i - 1;
    next_button = jQuery(".next");
    previous_button = jQuery(".previous");
    
    //Hide by default previous button
    previous_button.hide();
    next_button.hide();

    next_button.click(function(){
        next_button_click();
        return(false);
    });

    previous_button.click(function(){
        current--;
        $('.slider-content div').animate({
            left: '+=670'
        }, 750);
        previous_button.hide();
        return(false);
    });
    
    
    
    $("#massana-imatges").mouseover(function() {
        if(current < item_number){
            next_button.show();
        }
        if(current > 0){
            previous_button.show();
        }
    }).mouseout(function(){
        if(current < item_number){
            next_button.hide();
        }
        if(current > 0){
            previous_button.hide();
        }
    });
    
    nextclick(item_number, false);
    
});