var scrollUp = false;
var scrollDown = false;

function ScrollUp(el) {
    if (el == null) {
        el = "content-leftcol-details";
    }
    var scroll = document.getElementById(el);

    if (scroll.scrollTop > 0) {
        scroll.scrollTop -= 20;
        if (scrollUp)
            setTimeout("ScrollUp('" + el + "')", 50)
    }

}

function ScrollDown(el) {

    if (el == null) {
        el = "content-leftcol-details";
    }

    var scroll = document.getElementById(el);

    scroll.scrollTop += 20;
    if (scrollDown)
        setTimeout("ScrollDown('" + el + "')", 50)


}