鼠标拖动图片

来自「网页特效」· 代码 · 共 36 行

TXT
36
字号
<body  onload="init()">
<SCRIPT language=JavaScript>
drag = 0
move = 0
function init() {
    window.document.onmousemove = mouseMove
    window.document.onmousedown = mouseDown
    window.document.onmouseup = mouseUp
    window.document.ondragstart = mouseStop
}
function mouseDown() {
    if (drag) {
        clickleft = window.event.x - parseInt(dragObj.style.left)
        clicktop = window.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
}
</SCRIPT>
<div id="block1" onmouseout="drag=0" onmouseover="dragObj=block1; drag=1;" style="height: 60; left: 200; position: absolute; top: 200; width: 120">

<dd><img alt border="0" src="../index/logo.gif" width="120" height="60"></dd></div>
</body>

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