html运行实例（dhtm_move）-搜寻教程库

代码示例：（标识：dhtm_move）
<html>
<head>
<style>
img
{
position:relative;
}
</style>
<script type="text/javascript">
mouseover=true
function coordinates()
{
if (!moveMe)
	{
	return
	}
if (event.srcElement.id=="moveMe")
	{
	mouseover=true
	pleft=document.getElementById('moveMe').style.pixelLeft
	ptop=document.getElementById('moveMe').style.pixelTop
	xcoor=event.clientX
	ycoor=event.clientY
	document.onmousemove=moveImage
	}
}

function moveImage()
{
if (mouseover&&event.button==1)
	{
	document.getElementById('moveMe').style.pixelLeft=pleft+event.clientX-xcoor
	document.getElementById('moveMe').style.pixelTop=ptop+event.clientY-ycoor
	return false
	}
}

function mouseup()
{
mouseover=false
}
document.onmousedown=coordinates
document.onmouseup=mouseup
</script>
</head>
<body>
<img id="moveMe" src="/static/demo/images/eg_smile.gif" /><br />
<b>请拖动这幅图像。</b>
</body>
</html>