// scripts for use in star rating feedback

// function to change star image when mousing over the stars
function setStars(sSender)
{
    var sPrefix = sSender.substring(0,3);
    var iStar = parseInt(sSender.substring(3));
    for (i=1; i<(iStar+1); i++)
    {
        document.getElementById(sPrefix + i).src = 'images/backgrounds/star2.png';
    }
    for (i=(iStar+1); i<6; i++)
    {
        document.getElementById(sPrefix + i).src = 'images/backgrounds/star1.png';
    }
}

// function to set stars to default textbox value
function setStarDefault(sSender)
{
    var sPrefix = sSender.substring(0,3);
    var iStar = parseInt(document.getElementById("edt" + sSender.substring(0,2)).value);
    for (i=1; i<(iStar+1); i++)
    {
        document.getElementById(sPrefix + i).src = 'images/backgrounds/star2.png';
    }
    for (i=(iStar+1); i<6; i++)
    {
        document.getElementById(sPrefix + i).src = 'images/backgrounds/star1.png';
    }
}

// function to update star textbox value
function updateStarVal(sSender)
{
    var sStar = sSender.substring(3);
    document.getElementById("edt" + sSender.substring(0,2)).value = sStar;
}