$(document).ready( function(){
    $('div.customers marquee').marquee('pointer', 20).mouseover(function () {
      $(this).trigger('stop');
    }).mouseout(function () {
      $(this).trigger('start');
    }).mousemove(function (event) {
      if ($(this).data('drag') == true) {
        this.scrollLeft = $(this).data('scrollX') + ($(this).data('x') - event.clientX);
      }
    }).mousedown(function (event) {
      $(this).data('drag', true).data('x', event.clientX).data('scrollX', this.scrollLeft);
    }).mouseup(function () {
      $(this).data('drag', false);
    });
});
