$(function() {
    var adiframe = document.getElementsByTagName("iframe");
    if (adiframe) {
        for (var i = 0; i < adiframe.length; i++) {
            switch (adiframe[i].id.toLowerCase()) {
                case 'bannerad':
                    adiframe[i].src = '/_resources/adverts/advert_SA_banner.htm';
                    break;
                case 'mpu':
                    adiframe[i].src = '/_resources/adverts/advert_SA_mpu.htm';
                    break;
                case 'sky':
                    adiframe[i].src = '/_resources/adverts/advert_SA_sky.htm';
                    break;
                case 'buttona':
                    adiframe[i].src = '/_resources/adverts/advert_SA_button120_a.htm';
                    break;
                case 'buttonb':
                    adiframe[i].src = '/_resources/adverts/advert_SA_button120_b.htm';
                    break;
                case 'bottomad':
                    adiframe[i].src = '/_resources/adverts/advert_SA_banner.htm';
                    break;
            }
        }
    }
});
function showbanner() { };
function showmpu() { };
function showsky() { };
function showbottomad() { };