超酷的浮动窗口播放器[可拖动](HTML)

答案：程序代码

<script language="JavaScript" type="text/JavaScript">
var x0 = 0, y0 = 0, x1 = 0, y1 = 0;
var offx = 6, offy = 6;
var moveable = false;
var hover = 'orange', normal = 'slategray';
var index = 10000;
function startDrag(obj) {
    if (event.button == 1) {
        obj.setCapture();
        var win = obj.parentNode;
        var sha = win.nextSibling;
        x0 = event.clientX;
        y0 = event.clientY;
        x1 = parseInt(win.style.left);
        y1 = parseInt(win.style.top);
        normal = obj.style.backgroundColor;
        obj.style.backgroundColor = hover;
        win.style.borderColor = hover;
        obj.nextSibling.style.color = hover;
        sha.style.left = x1+offx;
        sha.style.top = y1+offy;
        moveable = true;
    }
}
function drag(obj) {
    if (moveable) {
        var win = obj.parentNode;
        var sha = win.nextSibling;
        win.style.left = x1+event.clientX-x0;
        win.style.top = y1+event.clientY-y0;
        sha.style.left = parseInt(win.style.left)+offx;
        sha.style.top = parseInt(win.style.top)+offy;
    }
}
function stopDrag(obj) {
    if (moveable) {
        var win = obj.parentNode;
        var sha = win.nextSibling;
        var msg = obj.nextSibling;
        win.style.borderColor = normal;
        obj.style.backgroundColor = normal;
        msg.style.color = normal;
        sha.style.left = obj.parentNode.style.left;
        sha.style.top = obj.parentNode.style.top;
        obj.releaseCapture();
        moveable = false;
    }
}
function getFocus(obj) {
    if (obj.style.zIndex != index) {
        index = index+2;
        var idx = index;
        obj.style.zIndex = idx;
        obj.nextSibling.style.zIndex = idx-1;
    }
}
function min(obj) {
    var win = obj.parentNode.parentNode;
    var sha = win.nextSibling;
    var tit = obj.parentNode;
    var msg = tit.nextSibling;
    var flg = msg.style.display == "none";
    if (flg) {
        win.style.height = parseInt(msg.style.height)+parseInt(tit.style.height)+2*2;
        sha.style.height = win.style.height;
        msg.style.display = "block";
        obj.innerHTML = "0";
    } else {
        win.style.height = parseInt(tit.style.height)+2*2;
        sha.style.height = win.style.height;
        obj.innerHTML = "2";
        msg.style.display = "none";
    }
}
function cls(obj) {
    var win = obj.parentNode.parentNode;
    var sha = win.nextSibling;
    win.style.visibility = "hidden";
    sha.style.visibility = "hidden";
}
function xWin(id, w, h, l, t, tit, msg) {
    index = index+2;
    this.id = id;
    this.width = w;
    this.height = h;
    this.left = l;
    this.top = t;
    this.zIndex = index;
    this.title = tit;
    this.message = msg;
    this.obj = null;
    this.bulid = bulid;
    this.bulid();
}
function bulid() {
    var str = ""+"<div id=xMsg"+this.id+" "+"style='"+"z-index:"+this.zIndex+";"+"width:"+this.width+";"+"height:"+this.height+";"+"left:"+this.left+";"+"top:"+this.top+";"+"background-color:"+normal+";"+"color:"+normal+";"+"font-size:10px;"+"font-family:Verdana;"+"position:absolute;"+"cursor:default;"+"border:2px solid "+normal+";"+"' "+"onmousedown='getFocus(this)'>"+"<div "+"style='"+"background-color:"+normal+";"+"width:"+(this.width-2*2)+";"+"height:20;"+"color:white;"+"' "+"onmousedown='startDrag(this)' "+"onmouseup='stopDrag(this)' "+"onmousemove='drag(this)' "+"ondblclick='min(this.childNodes[1])'"+">"+"<span style='width:"+(this.width-2*12-4)+";padding-left:3px;'>"+this.title+"</span>"+"<span style='width:12;border-width:0px;color:white;font-family:webdings;' onclick='min(this)'>0</span>"+"<span style='width:12;border-width:0px;color:white;font-family:webdings;' onclick='cls(this)'>r</span>"+"</div>"+"<div style='"+"width:100%;"+"height:"+(this.height-20-4)+";"+"background-color:white;"+"line-height:14px;"+"word-break:break-all;"+"padding:3px;"+"'>"+this.message+"</div>"+"</div>"+"<div style='"+"width:"+this.width+";"+"height:"+this.height+";"+"top:"+this.top+";"+"left:"+this.left+";"+"z-index:"+(this.zIndex-1)+";"+"position:absolute;"+"background-color:black;"+"filter:alpha(opacity=40);"+"'>by wildwind</div>";
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