this.containment = [
                    co.left + (parseInt($(ce).css("borderLeftWidth"), 10) || 0) + (parseInt($(ce).css("paddingLeft"), 10) || 0) - this.margins.left,
                    co.top + (parseInt($(ce).css("borderTopWidth"), 10) || 0) + (parseInt($(ce).css("paddingTop"), 10) || 0) - this.margins.top,
                    co.left + (over ? Math.max(ce.scrollWidth, ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"), 10) || 0) - (parseInt($(ce).css("paddingRight"), 10) || 0) - this.helperProportions.width - this.margins.left,
                    co.top + (over ? Math.max(ce.scrollHeight, ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"), 10) || 0) - (parseInt($(ce).css("paddingBottom"), 10) || 0) - this.helperProportions.height - this.margins.top