可拖动、关闭及最小化的层拖动窗口_层和布局特效

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一款JS的应用实例，一个可以拖动的DIV层窗口，同时这它还支持关闭、最小化功能。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="mrc-type" mrc="text/html; charset=gb2312">
<meta http-equiv="mrc-script-type" mrc="text/javascript">
<meta http-equiv="mrc-style-type" mrc="text/css">
<title>DoDi Chat v1.0 Beta_Demo:mb5u.com</title>
<style rel="stylesheet" type="text/css" media="all" />

</style>
<script language="javascript" type="text/javascript">
<!--
function $(d){return document.getElementById(d);}
function gs(d){var t=$(d);if (t){return t.style;}else{return null;}}
function gs2(d,a){
if (d.currentStyle){ 
var curVal=d.currentStyle[a]
}else{ 
var curVal=document.defaultView.getComputedStyle(d, null)[a]
} 
return curVal;
}
function ChatHidden(){gs("ChatBody").display = "none";}
function ChatShow(){gs("ChatBody").display = "";}
function ChatClose(){gs("main").display = "none";}
function ChatSend(obj){
var o = obj.ChatValue;
if (o.value.length>0){
$("ChatContent").innerHTML += "<strong>Akon说：</strong>"+o.value+"<br/>";
o.value='';
}
}
if(document.getElementById){
(
function(){
if (window.opera){ document.write("<input type='hidden' id='Q' value=' '>"); }

var n = 500;
var dragok = false;
var y,x,d,dy,dx;

function move(e)
{
if (!e) e = window.event;
if (dragok){
d.style.left = dx + e.clientX - x + "px";
d.style.top= dy + e.clientY - y + "px";
return false;
}
}

function down(e){
if (!e) e = window.event;
var temp = (typeof e.target != "undefined")?e.target:e.srcElement;
if (temp.tagName != "HTML"|"BODY" && temp.className != "dragclass"){
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
}
if('TR'==temp.tagName){
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
}

if (temp.className == "dragclass"){
if (window.opera){ document.getElementById("Q").focus(); }
dragok = true;
temp.style.zIndex = n++;
d = temp;
dx = parseInt(gs2(temp,"left"))|0;
dy = parseInt(gs2(temp,"top"))|0;
x = e.clientX;
y = e.clientY;
document.onmousemove = move;
return false;
}
}

function up(){
dragok = false;
document.onmousemove = null;
}

document.onmousedown = down;
document.onmouseup = up;

}
)();
}
-->
</script>
</head>
<body>
<div id="main" class="dragclass">
<div id="ChatHead">
<a href="#" onclick="ChatHidden();">-</a>
<a href="#" onclick="ChatShow();">+</a>
<a href="#" onclick="ChatClose();">x</a>
</div>
<div id="ChatBody">
<div id="ChatContent"></div>
<div id="ChatBtn">
<form action="" name="chat" method="post">
<textarea name="ChatValue" rows="3" style="width:260px"></textarea>
<input name="Submit" type="button" value="Chat" onclick="ChatSend(this.form);" />
</form>
</div>
</div>
</div>
</body>
</html>

所属频道：层和布局特效/更新时间：2012-12-19

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