<style>
		#myfig {
			width: 100px;
			position: absolute;
			border: 1px solid gray;
			text-align: center;
		}
		#myfig img {
			width: 100%;
		}
	</style>

<h1>透過滑鼠簡單拖曳</h1>

<div id='myfig'>
	<img src='images/paper.png' id='myfig2' />
	<div id='res'></div>
</div>