pqScrollBar is a standalone widget which is used for scrolling in pqGrid.
It can also be used independently of the grid.
Reference to horizontal pqScrollBar in pqGrid can be obtained using
var $pqScrollbar = $grid.find("div.pq-scrollbar-horiz").pqScrollBar();
//or
var $pqScrollbar = $("div.pq-scrollbar-horiz", $grid ).pqScrollBar();
Reference to vertical pqScrollBar can be obtained using
var $pqScrollbar = $grid.find("div.pq-scrollbar-vert").pqScrollBar();
//or
var $pqScrollbar = $("div.pq-scrollbar-vert", $grid ).pqScrollBar();
Note: Please use pq-sb-horiz & pq-sb-vert instead of pq-scrollbar-horiz & pq-scrollbar-vert as of v2.0.4