if(document.all) {
        window.attachEvent("onload", startFont);
    }else {
        window.addEventListener("load", startFont, false);
    }
    
    function startFont(){   
        /*if(getCookie("fontSize")!=null) {
            var o = getElementsByClassName(document, "div", "content-body")[0];
            fontChangeSize(o, getCookie("fontSize"));
        }*/
    }

    function fontIncrease() {
        var o = getElementsByClassName(document, "div", "content-body")[0];
        fontChangeSize(o, 10);
    }
    
    function fontDecrease() {
        var o = getElementsByClassName(document, "div", "content-body")[0];
        fontChangeSize(o, -10);
    }
    
    function fontChangeSize(o, v) {

        var s = o.style.fontSize;
        if(s=="")
            s = "100%"
        s = (parseInt(s.replace("%", "")) + v) + "%" ;
        o.style.fontSize = s;        
        if(getCookie("fontSize")==null) {
            setCookie("fontSize", v, 90);
        }else {
            var vs = num(getCookie("fontSize"));
            setCookie("fontSize", (num(vs) + num(v)), 90);
        }
    }