var slideTime1 = 700, topMargin1;
var slideTime2 = 0, topMargin2;

function winOnResize() {
    // xMoveTo('scroller1', xPageX('main')+xWidth('main')+20, topMargin);
    xShow('scroller1');
    xShow('scroller2');
    winOnScroll(); // initial slide
}

function winOnScroll() {
    xSlideTo('scroller1', xLeft('scroller1'), xScrollTop() + topMargin, slideTime1);
    xSlideTo('scroller2', xLeft('scroller2'), xScrollTop() + topMargin, slideTime2);
}

function scrollLoad() {
    topMargin = xPageY('scroller1')
    topMargin = xPageY('scroller2')
    // winOnResize();
    xAddEventListener(window, 'resize', winOnResize, false);
    xAddEventListener(window, 'scroll', winOnScroll, false);
    return;
}