弹出的锁定背景的DIV对话框，关闭按钮如何实现？右上角的关闭（X）按钮已经可以实现关闭，但是我想在弹出的内容（或者弹出的iframe）中增加一个<input type="button" value="关闭">，该如何实现？附上代码和效果：<!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>
<title>自定义内容背景锁定的div可拖动提示窗口</title>
<script language="javascript">
function alertWin(title, openobjectid, w, h){
var titleheight = "22px"; // 提示窗口标题高度
var bordercolor = "#666699"; // 提示窗口的边框颜色
var titlecolor = "#FFFFFF"; // 提示窗口的标题颜色
var titlebgcolor = "#666699"; // 提示窗口的标题背景色
var bgcolor = "#FFFFFF"; // 提示内容的背景色
var iWidth = document.documentElement.clientWidth;
var iHeight = document.documentElement.clientHeight;
var bgObj = document.createElement("div");
bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:101;";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div");
//new
bgObj.id="bgObjid";
msgObj.id="msgObjid"; msgObj.style.cssText = "position:absolute;font:11px '宋体';top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:"+h+"px;text-align:center;border:1px solid "+bordercolor+";background-color:"+bgcolor+";padding:1px;line-height:22px;z-index:102;";
document.body.appendChild(msgObj);
var table = document.createElement("table");
msgObj.appendChild(table);
table.style.cssText = "margin:0px;border:0px;padding:0px;";
table.cellSpacing = 0;
var tr = table.insertRow(-1);
var titleBar = tr.insertCell(-1);
titleBar.style.cssText = "width:100%;height:"+titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:"+titlecolor+";border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor;
titleBar.style.paddingLeft = "10px";
titleBar.innerHTML = title;
var moveX = 0;
var moveY = 0;
var moveTop = 0;
var moveLeft = 0;
var moveable = false;
var docMouseMoveEvent = document.onmousemove;
var docMouseUpEvent = document.onmouseup;
titleBar.onmousedown = function() {
var evt = getEvent();
moveable = true;
moveX = evt.clientX;
moveY = evt.clientY;
moveTop = parseInt(msgObj.style.top);
moveLeft = parseInt(msgObj.style.left);
document.onmousemove = function() {
if (moveable) {
var evt = getEvent();
var x = moveLeft + evt.clientX - moveX;
var y = moveTop + evt.clientY - moveY;
if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) {
msgObj.style.left = x + "px";
msgObj.style.top = y + "px";
}
}
};
document.onmouseup = function () {
if (moveable) {
document.onmousemove = docMouseMoveEvent;
document.onmouseup = docMouseUpEvent;
moveable = false;
moveX = 0;
moveY = 0;
moveTop = 0;
moveLeft = 0;
}
};
}
var closeBtn = tr.insertCell(-1);
closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + titlebgcolor;
closeBtn.innerHTML = "<span id='openspan' style='font-size:15pt; color:"+titlecolor+";'>×</span>";
closeBtn.onclick = function(){
document.body.removeChild(bgObj);
document.body.removeChild(msgObj);
}
var msgBox = table.insertRow(-1).insertCell(-1);
msgBox.style.cssText = "font:10pt '宋体';";
msgBox.colSpan = 2;
//msgBox.innerHTML = msg;
msgBox.innerHTML=document.getElementById(openobjectid).innerHTML
//document.getElementById("msgObj").appendChild(msgBox);
// 获得事件Event对象，用于兼容IE和FireFox
function getEvent() {
return window.event || arguments.callee.caller.arguments[0];
}
} </script>
</head>
<body>
<input type="button" value="点这里登陆" onclick="alertWin('登陆','openwin',500,120);" /> <div id ='openwin' style="position:absolute; left:300px;top:100px;cursor:hand;display:none" >
<table>
<tr>
<td>有户名:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td colspan=2 align=center><input type=button value='登录'> <input type=button value='关闭'></td>
</tr>
</table>
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>自定义内容背景锁定的div可拖动提示窗口</title>
<script language="javascript">
function alertWin(title, openobjectid, w, h){
var titleheight = "22px"; // 提示窗口标题高度
var bordercolor = "#666699"; // 提示窗口的边框颜色
var titlecolor = "#FFFFFF"; // 提示窗口的标题颜色
var titlebgcolor = "#666699"; // 提示窗口的标题背景色
var bgcolor = "#FFFFFF"; // 提示内容的背景色
var iWidth = document.documentElement.clientWidth;
var iHeight = document.documentElement.clientHeight;
var bgObj = document.createElement("div");
bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:101;";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div");
//new
bgObj.id="bgObjid";
msgObj.id="msgObjid"; msgObj.style.cssText = "position:absolute;font:11px '宋体';top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:"+h+"px;text-align:center;border:1px solid "+bordercolor+";background-color:"+bgcolor+";padding:1px;line-height:22px;z-index:102;";
document.body.appendChild(msgObj);
var table = document.createElement("table");
msgObj.appendChild(table);
table.style.cssText = "margin:0px;border:0px;padding:0px;";
table.cellSpacing = 0;
var tr = table.insertRow(-1);
var titleBar = tr.insertCell(-1);
titleBar.style.cssText = "width:100%;height:"+titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:"+titlecolor+";border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor;
titleBar.style.paddingLeft = "10px";
titleBar.innerHTML = title;
var moveX = 0;
var moveY = 0;
var moveTop = 0;
var moveLeft = 0;
var moveable = false;
var docMouseMoveEvent = document.onmousemove;
var docMouseUpEvent = document.onmouseup;
titleBar.onmousedown = function() {
var evt = getEvent();
moveable = true;
moveX = evt.clientX;
moveY = evt.clientY;
moveTop = parseInt(msgObj.style.top);
moveLeft = parseInt(msgObj.style.left);
document.onmousemove = function() {
if (moveable) {
var evt = getEvent();
var x = moveLeft + evt.clientX - moveX;
var y = moveTop + evt.clientY - moveY;
if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) {
msgObj.style.left = x + "px";
msgObj.style.top = y + "px";
}
}
};
document.onmouseup = function () {
if (moveable) {
document.onmousemove = docMouseMoveEvent;
document.onmouseup = docMouseUpEvent;
moveable = false;
moveX = 0;
moveY = 0;
moveTop = 0;
moveLeft = 0;
}
};
}
var closeBtn = tr.insertCell(-1);
closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + titlebgcolor;
closeBtn.innerHTML = "<span id='openspan' style='font-size:15pt; color:"+titlecolor+";'>×</span>";
closeBtn.onclick = function(){
document.body.removeChild(bgObj);
document.body.removeChild(msgObj);
}
var msgBox = table.insertRow(-1).insertCell(-1);
msgBox.style.cssText = "font:10pt '宋体';";
msgBox.colSpan = 2;
//msgBox.innerHTML = msg;
msgBox.innerHTML=document.getElementById(openobjectid).innerHTML
//document.getElementById("msgObj").appendChild(msgBox);
// 获得事件Event对象，用于兼容IE和FireFox
function getEvent() {
return window.event || arguments.callee.caller.arguments[0];
}
} </script>
</head>
<body>
<input type="button" value="点这里登陆" onclick="alertWin('登陆','openwin',500,120);" /> <div id ='openwin' style="position:absolute; left:300px;top:100px;cursor:hand;display:none" >
<table>
<tr>
<td>有户名:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td colspan=2 align=center><input type=button value='登录'> <input type=button value='关闭'></td>
</tr>
</table>
</div>
</body>
</html>
<!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>
<title>自定义内容背景锁定的div可拖动提示窗口</title>
<script language="javascript">
function alertWin(title, openobjectid, w, h){
var titleheight = "22px"; // 提示窗口标题高度
var bordercolor = "#666699"; // 提示窗口的边框颜色
var titlecolor = "#FFFFFF"; // 提示窗口的标题颜色
var titlebgcolor = "#666699"; // 提示窗口的标题背景色
var bgcolor = "#FFFFFF"; // 提示内容的背景色
var iWidth = document.documentElement.clientWidth;
var iHeight = document.documentElement.clientHeight;
var bgObj = document.createElement("div");
bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:101;";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div");
//new
bgObj.id="bgObjid";
msgObj.id="msgObjid"; msgObj.style.cssText = "position:absolute;font:11px '宋体';top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:"+h+"px;text-align:center;border:1px solid "+bordercolor+";background-color:"+bgcolor+";padding:1px;line-height:22px;z-index:102;";
document.body.appendChild(msgObj);
var table = document.createElement("table");
msgObj.appendChild(table);
table.style.cssText = "margin:0px;border:0px;padding:0px;";
table.cellSpacing = 0;
var tr = table.insertRow(-1);
var titleBar = tr.insertCell(-1);
titleBar.style.cssText = "width:100%;height:"+titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:"+titlecolor+";border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor;
titleBar.style.paddingLeft = "10px";
titleBar.innerHTML = title;
var moveX = 0;
var moveY = 0;
var moveTop = 0;
var moveLeft = 0;
var moveable = false;
var docMouseMoveEvent = document.onmousemove;
var docMouseUpEvent = document.onmouseup;
titleBar.onmousedown = function() {
var evt = getEvent();
moveable = true;
moveX = evt.clientX;
moveY = evt.clientY;
moveTop = parseInt(msgObj.style.top);
moveLeft = parseInt(msgObj.style.left);
document.onmousemove = function() {
if (moveable) {
var evt = getEvent();
var x = moveLeft + evt.clientX - moveX;
var y = moveTop + evt.clientY - moveY;
if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) {
msgObj.style.left = x + "px";
msgObj.style.top = y + "px";
}
}
};
document.onmouseup = function () {
if (moveable) {
document.onmousemove = docMouseMoveEvent;
document.onmouseup = docMouseUpEvent;
moveable = false;
moveX = 0;
moveY = 0;
moveTop = 0;
moveLeft = 0;
}
};
}
var closeBtn = tr.insertCell(-1);
closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + titlebgcolor;
closeBtn.innerHTML = "<span id='openspan' style='font-size:15pt; color:"+titlecolor+";'>×</span>";
closeBtn.onclick = function(){
document.body.removeChild(bgObj);
document.body.removeChild(msgObj);
}
var msgBox = table.insertRow(-1).insertCell(-1);
msgBox.style.cssText = "font:10pt '宋体';";
msgBox.colSpan = 2;
//msgBox.innerHTML = msg;
msgBox.innerHTML=document.getElementById(openobjectid).innerHTML
//document.getElementById("msgObj").appendChild(msgBox);
// 获得事件Event对象，用于兼容IE和FireFox
function getEvent() {
return window.event || arguments.callee.caller.arguments[0];
}
} function closeDiv() {
document.body.removeChild(document.getElementById("bgObjid"));
document.body.removeChild(document.getElementById("msgObjid"));
}</script>
</head>
<body>
<input type="button" value="点这里登陆" onclick="alertWin('登陆','openwin',500,120);" /> <div id ='openwin' style="position:absolute; left:300px;top:100px;cursor:hand;display:none" >
<table>
<tr>
<td>有户名:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" size="20"></td>
</tr>
<tr>
<td colspan=2 align=center><input type=button value='登录'/> <input type=button value='关闭' onclick='closeDiv()'/></td>
</tr>
</table>
</div>
</body>
</html>
在按钮上添加 closeDiv()函数，函数的具体定义见代码