function gebi (id) {
	return document.getElementById(id);
}
function scroll(obj, increase, delay, length) { 
    if (!delay) delay = 1 
    var pos = (increase < 0) ? increase * -30 : increase 
    pos = Math.ceil(length/pos) 
    var first = obj.scrollLeft 
    function doScroll() { 
        if (length && pos-- <= 0) { 
            clearInterval(obj.interval) 
            return 
        } 
        obj.scrollLeft += increase 
        if (obj.scrollLeft !== first + increase) clearInterval(obj.interval) 
        first = obj.scrollLeft 
    } 
    if (obj.interval) { 
        clearInterval(obj.interval) 
    } 
    obj.interval = setInterval(doScroll, delay) 
}