Usage :

$(window).load(function () {
    $("#divID").endlessScroll({ width: '100%', height: '100px', steps: -2, speed: 40, mousestop: true });
});

Parameters :

width : Desired div's width.
height : Desired div's height.
steps : pixel step for the scrolling, also controls the direction, a negatif value (left), a positive value (right).
speed : animation speed, from 0 (quicker) to infinite (slower).
mousestop : if set to true the scrolling stops when the mouse is over the div.