.event.y - parseInt(dragObj.style.top) dragObj.style.zIndex += 1 move = 1 } } function mouseStop() { window.event.returnValue = false } function mouseMove() { if (move) { dragObj.style.left = window.event.x - clickleft dragObj.style.top = window.event.y - clicktop } } function mouseUp() { move = 0 }