How to programmatically select selectables with jQuery UI?

Here is a variation of Alex R’s code working with multiple elements

http://jsfiddle.net/XYJEN/1/

function SelectSelectableElements (selectableContainer, elementsToSelect)
{
    // add unselecting class to all elements in the styleboard canvas except the ones to select
    $(".ui-selected", selectableContainer).not(elementsToSelect).removeClass("ui-selected").addClass("ui-unselecting");

    // add ui-selecting class to the elements to select
    $(elementsToSelect).not(".ui-selected").addClass("ui-selecting");

    // trigger the mouse stop event (this will select all .ui-selecting elements, and deselect all .ui-unselecting elements)
    selectableContainer.data("selectable")._mouseStop(null);
}

Update:

jQueryUI 1.10, per comments from kmk: http://jsfiddle.net/XYJEN/163/