var initialStars = 0;
var comm_num_stars = 0;
function loadStarsRating(){
    //initialStars= Math.round(json.elements.item.stars);
    initialStars= Math.round(comm_num_stars);
    starsClear();
    starsSet(initialStars);
}

var timetoclearStars = null;
var timetosetRating = null;
var imgStar_ON = new Image();
var imgStar_OFF = new Image();
var imgStar_OVER = new Image();

var levelMessages = new Array(6);
levelMessages[1] = 'NO ME GUSTA';
levelMessages[2] = 'NO ESTÁ MAL';
levelMessages[3] = 'ME PARECIÓ BIEN';
levelMessages[4] = 'ME GUSTA';
levelMessages[5] = 'ME ENCANTA';

imgStar_ON.src = 'http://i2.esmas.com/tvolucion/coke20/img/estrella.png'; 
imgStar_OFF.src = 'http://i2.esmas.com/tvolucion/coke20/img/estrella.png'; 
imgStar_OVER.src = 'http://i2.esmas.com/tvolucion/coke20/img/estrella_roll.png'; 


function starsClear(){
    for(var i=1; i<=5; i++){
        $('ratingStar_0' + i).src = imgStar_OFF.src;
    }
    $('noteContainer').innerHTML = '';
}


function starsSet(starsNumber){
    if (starsNumber > 0){
        for(var i=1; i<=5; i++){
            if ( i <= starsNumber )
                $('ratingStar_0' + i).src = imgStar_ON.src;
        }
    }
}


function starsOver(starPosition){
    clearTimeout(timetoclearStars);
    clearTimeout(timetosetRating);
    for(var i=1; i<=5; i++){
        if ( i <= parseInt(starPosition) )
            $('ratingStar_0' + i).src = imgStar_OVER.src;
        else
            $('ratingStar_0' + i).src = imgStar_OFF.src;
    }

    $('noteContainer').innerHTML = levelMessages[starPosition];
}

function starsReset(){
    timetoclearStars = setTimeout('starsClear()',800); 
    timetosetRating = setTimeout('starsSet(initialStars)',800);
}