var activeAnswer = null;

function showAnswer(obj)
{
    var answer = document.getElementById("answer_"+obj.id);
    
    // 1x per jaar
    if (obj.id == "1keer")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo746;ord=" + num;
    }
    // 2x per jaar
    else if (obj.id == "2keer")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo236;ord=" + num;
    }
    // 4x per jaar
    else if (obj.id == "4keer")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo441;ord=" + num;
    }
    // Elke maand
    else if (obj.id == "elkemaand")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo024;ord=" + num;
    }
    // Onregelmatig
    else if (obj.id == "onregelmatig")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo520;ord=" + num;
    }
    // Weet niet
    else if (obj.id == "weetniet")
    {
        var axel = Math.random() + "";
        var num = axel * 1000000000000000000;
        var spotpix = new Image();
        spotpix.src = "http://ad.se.doubleclick.net/activity;src=1196609;type=zovir826;cat=antwo228;ord=" + num;
    }
    
    if (activeAnswer != null && activeAnswer != answer)
    {
        activeAnswer.style.display = "none";
    }
    
    answer.style.display = "block";
    activeAnswer = answer;
}

/*function showGeslacht(obj)
{
    var geslacht = document.getElementById(obj.id+"_geslacht");
    geslacht.style.display = "block";
    activeAnswer.style.display = "none";
}*/