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function mouseStart() { mousestartX = that.getMousePos(event).x - _l; mousestartY = that.getMousePos(event).y - _t; if (((_left - 20) < mousestartX && mousestartX < (_left + 20)) && ((_top - 20) < mousestartY && mousestartY < (_top + 20))) { document.addEventListener("mousemove", changeLeftTop, false); document.addEventListener("mouseup", mouseEnd, false); } else if (((_right - 20) < mousestartX && mousestartX < (_right + 20)) && ((_bottom - 20) < mousestartY && mousestartY < (_bottom + 20))) { document.addEventListener("mousemove", changeRightBottom, false); document.addEventListener("mouseup", mouseEnd, false); } else if ((_left + 20) < mousestartX && (_right - 20) > mousestartX && (_top + 20) < mousestartY && (_bottom - 20) > mousestartY) { document.addEventListener("mousemove", changeMove, false); document.addEventListener("mouseup", mouseEnd, false); } else { return; } }
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