//<![CDATA[
var s = new Slider(document.getElementById("slider-1"), document.getElementById("slider-input-1"));
s.onchange = function () {
    document.body.style.fontSize = (50 + (s.getValue()*1)) + '%';
    document.getElementById("h-value").value = (50 + (s.getValue()*1));
};
s.setValue(50);
s.setMaximum(100);
s.setMinimum(0);
window.onresize = function () {
    s.recalculate();
};
//]]>