var SPEED = 3;

function ScrollLeft(ELEM){

    if(typeof ELEM == 'string')

        ELEM = document.getElementById(ELEM);

    if(ELEM)

        ELEM.scrolling = setInterval(function(){ELEM.scrollLeft-=SPEED;}, 20);

}

function ScrollRight(ELEM){

    if(typeof ELEM == 'string')

        ELEM = document.getElementById(ELEM);

    if(ELEM)

        ELEM.scrolling = setInterval(function(){ELEM.scrollLeft+=SPEED;}, 20);

}

function StopScroll(ELEM){

    if(typeof ELEM == 'string')

        ELEM = document.getElementById(ELEM);

    if(ELEM)

        clearInterval(ELEM.scrolling);

}