function toggleNav(menu, img) {

    dge(menu).src = 'http://www.feedshare.com/images/' + img;

}
function dge(id) {
    return document.getElementById(id);
}

function supportEmail(text) {
    coded = 'dKCCuGa@xvavPvdXaGvjd6uGVvakujd.iuV';
    key = 'v5zedEIubBHYm6STqlhwrpiAMj8aJ79sWFoyNZXxf1KPR2DVOcg0n4tGCkQUL3';

    shift = coded.length;
    link = '';
    for (i = 0; i < coded.length; i++) {
        if (key.indexOf(coded.charAt(i)) == -1) {
            ltr = coded.charAt(i)
            link += (ltr)
        }
        else {
            ltr = (key.indexOf(coded.charAt(i)) - shift + key.length) % key.length
            link += (key.charAt(ltr))
        }
    }

    if (typeof (text) == 'undefined') text = link;

    document.write("<a href='mailto:" + link + "'>" + text + "</a>");
}