function switchFont(size) {
    var CSS = ''
    switch (size) {
        case 1:
            CSS = '../App_Themes_Overrides/Default.Font2.css';            
            break;
        case 2:
            CSS = '../App_Themes_Overrides/Default.Font3.css';
            break;
        default:
            CSS = ''            
    }
    document.getElementById('ctl00_ctl00_ctl00_ContentPlaceHolderDefault_hlFontCss').href = CSS;
    //alert('document.getElementById(`ctl00_ctl00_ctl00_ContentPlaceHolderDefault_hlFontCss`).href = ' + document.getElementById('ctl00_ctl00_ctl00_ContentPlaceHolderDefault_hlFontCss').href);         
}