163 	.appendTo(posOptions.container)
699 		container = posOptions.container,
711 		doc = container[0].ownerDocument,
735 		if(type !== 'static') { position = container.offset(); }
805 		position = this.reposition.offset(target, position, container);
869 PROTOTYPE.reposition.offset = function(elem, pos, container) {  argument
870 	if(!container[0]) { return pos; }
874 		parent = container[0],
1390 		containerTarget = posOptions.container,
1515 		this._bind( windowTarget.add(posOptions.container), 'scroll', repositionMethod );
1525 		this.options.position.container[0],
1527 		this.options.position.container.closest('html')[0], // unfocus
1587 	if(!posOptions.container.length) { posOptions.container = docBody; }
1590 	if(config.show.solo === TRUE) { config.show.solo = posOptions.container.closest('body'); }
1592 	if(config.position.viewport === TRUE) { config.position.viewport = posOptions.container; }
1595 	posOptions.container = posOptions.container.eq(0);
1872 		container: FALSE,  property
2553 		container = posOptions.container,
2574 	container = {  variable
2575 		elem: container,
2576 		scrollLeft: container.scrollLeft(),
2577 		scrollTop: container.scrollTop(),
2578 		offset: container.offset() || { left: 0, top: 0 }
2586 			viewportScroll = -container.offset[side1] + viewport.offset[side1] + viewport['scroll'+side1],
2603 …-container.offset[side1] + viewport.offset[side1] + (tipAdjust && tip.corner[side] === CENTER ? ti…
2606 …Math.max(-container.offset[side1] + viewport.offset[side1] + viewport[lengthName], initialPos + of…