$(document).ready(function() {

    // Replace Text Header
    $(".image-replace").each(function () {
        string = $(this).text();
        filename = string.toLowerCase().replace(/ /g, '-').replace(/([^0-9a-z-])/g, '');
        filelocation = ""
        $(this).html('<img src="' + filelocation + 'graphics/' + filename + '.gif" alt="' + string + '" title="' + string + '" />');
    });
    $(".header-image-replace").each(function () {
        string = $(this).text();
        filename = string.toLowerCase().replace(/ /g, '-').replace(/([^0-9a-z-])/g, '');
        filelocation = ""
        $(this).html('<img src="' + filelocation + 'graphics/' + filename + '.png" alt="' + string + '" title="' + string + '" />');
    });
});