var mySortable = new glow.widgets.Sortable('#mySortable', {
	onSort : function () {
		// this will contain the IDs of the items in the sortable, in order
		var itemIds = [];

		// get the children of the sortable containers - these are the items you drag
		// Then sort them, and get the ID for each
		mySortable.containers.children().sort().each(function () {
			itemIds.push( this.id );
		});

		// itemIds contains an array of all the ids of the list items in order
	}
});