function changeFontSize(inc) {

        var p = new Array();
        p = document.getElementById('ctl00_cpContent_pageV1_lblContent').getElementsByTagName('span');
        for (n = 0; n < p.length; n++) {

            if (p[n].style.fontSize) {
                var size = parseInt(p[n].style.fontSize.replace("px", ""));
            } else {
                var size = 12
            }
            p[n].style.fontSize = size + inc + 'px';

        }
        changeFSP(inc);
    }

    function changeFSP(inc) {

        var p = new Array();
        p = document.getElementById('contF').getElementsByTagName('span');
        for (n = 0; n < p.length; n++) {

            if (p[n].style.fontSize) {
                var size = parseInt(p[n].style.fontSize.replace("px", ""));
            } else {
                var size = 12
            }
            p[n].style.fontSize = size + inc + 'px';

        }
    }