function GoogleAdServices(action) {
    var axel = Math.random() * 10000000000000;
    var pix = new Image();

    <!-- Conversiecode Optimel Smoothie actie-->
    if (action == "smoothie") {
        pix.src = "http://www.googleadservices.com/pagead/conversion/1040965771/?label=hrybCO-amwEQi8Gv8AM&amp;guid=ON&amp;script=0"; 
    }

    <!-- Conversiecode Optimel aanmelden nieuwsbrief -->
    if (action == "nieuwsbrief") {
        pix.src = "http://www.googleadservices.com/pagead/conversion/1040965771/?label=SwAsCJWamwEQi8Gv8AM&amp;guid=ON&amp;script=0"; 
    }
    
}