function isOverlap(idOne,idTwo){ var objOne=$("#"+idOne), objTwo=$("#"+idTwo), offsetOne = objOne.offset(), offsetTwo = objTwo.offset(), topOne=offsetOne.top, topTwo=offsetTwo.top, leftOne=offsetOne.left, leftTwo=offsetTwo.left, widthOne = objOne.width(), widthTwo = objTwo.width(), heightOne = objOne.height(), heightTwo = objTwo.height(); var leftTop = leftTwo > leftOne && leftTwo < leftOne+widthOne && topTwo > topOne && topTwo < topOne+heightOne, rightTop = leftTwo+widthTwo > leftOne && leftTwo+widthTwo < leftOne+widthOne && topTwo > topOne && topTwo < topOne+heightOne, leftBottom = leftTwo > leftOne && leftTwo < leftOne+widthOne && topTwo+heightTwo > topOne && topTwo+heightTwo < topOne+heightOne, rightBottom = leftTwo+widthTwo > leftOne && leftTwo+widthTwo < leftOne+widthOne && topTwo+heightTwo > topOne && topTwo+heightTwo < topOne+heightOne; return leftTop || rightTop || leftBottom || rightBottom; }
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