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網頁頁面浮動視窗範例程式碼（JavaScript Code）

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      這個頁面效果比較酷。小視窗浮動於首頁面之上，您可以最小化、還原、關閉這些小視窗，或者將其拖動到首頁面的任何位置。樣本介面如下：
     
      具體使用方法，看下面的這個完整的頁面代碼應該就知道了。

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 6.0">
<script language=JScript>
<!--
//可以打包為js檔案;
var x0=0,y0=0,x1=0,y1=0;
var offx=6,offy=6;
var moveable=false;
var hover='orange',normal='slategray';//color;
var index=10000;//z-index;
//開始拖動;
function startDrag(obj)
{
 if(event.button==1)
 {
  //鎖定標題列;
  obj.setCapture();
  //定義對象;
  var win = obj.parentNode;
  var sha = win.nextSibling;
  //記錄滑鼠和層位置;
  x0 = event.clientX;
  y0 = event.clientY;
  x1 = parseInt(win.style.left);
  y1 = parseInt(win.style.top);
  //記錄顏色;
  normal = obj.style.backgroundColor;
  //改變風格;
  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;
 }
}
//拖動;
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;
 }
}
//停止拖動;
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;
 }
}
//獲得焦點;
function getFocus(obj)
{
 if(obj.style.zIndex!=index)
 {
  index = index + 2;
  var idx = index;
  obj.style.zIndex=idx;
  obj.nextSibling.style.zIndex=idx-1;
 }
}
//最小化;
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";
 }
}
//關閉;
function cls(obj)
{
 var win = obj.parentNode.parentNode;
 var sha = win.nextSibling;
 win.style.visibility = "hidden";
 sha.style.visibility = "hidden";
}
//建立一個對象;
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();
}
//初始化;
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>";
 document.body.insertAdjacentHTML("beforeEnd",str);
}
//-->
</script>
<script language='JScript'>
<!--
function initialize()
{
 var a = new xWin("1",100,200,0,0,"arui1","test1");
 var b = new xWin("2",100,200,0,200,"arui2","test2");
 //var c = new xWin("3",200,160,250,50,"arui3","test3");
}
window.onload = initialize;
//-->
</script>
<title>[頁面浮動視窗]</title>
</head>
<body topmargin="0" leftmargin="1">
</html> 

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