<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www./1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script language="javascript">
var docEle = function() {
return document.getElementById(arguments[0]) || false;
}
function openNewDiv(_id) {
var m = "mask";
if (docEle(_id)) document.removeChild(docEle(_id));
if (docEle(m)) document.removeChild(docEle(m));
// 新激活图层
var newDiv = document.createElement("div");
newDiv.id = _id;
newDiv.style.position = "absolute";
newDiv.style.zIndex = "9999";
newDiv.style.width = "300px";
newDiv.style.height = "150px";
newDiv.style.top = "200px";
newDiv.style.left = (parseInt(document.body.scrollWidth) - 300) / 2 + "px";
newDiv.style.background = "#EFEFEF";
newDiv.style.border = "1px solid #860001";
newDiv.style.padding = "5px";
newDiv.innerHTML = "新激活图层内容 ";
document.body.appendChild(newDiv);
// mask图层
var newMask = document.createElement("div");
newMask.id = m;
newMask.style.position = "absolute";
newMask.style.zIndex = "8888";
newMask.style.width = document.body.scrollWidth + "px";
newMask.style.height =500 + document.body.scrollHeight + "px";
newMask.style.top = "0px";
newMask.style.left = "0px";
newMask.style.background = "#000000";
newMask.style.filter = "alpha(opacity=40)";
newMask.style.opacity = "0.40";
document.body.appendChild(newMask);
// 关闭mask和新图层
var newA = document.createElement("a");
newA.href = "#";
newA.innerHTML = "关闭";
newA.onclick = function() {
document.body.removeChild(docEle(_id));
document.body.removeChild(docEle(m));
return false;
}
newDiv.appendChild(newA);
}
</script>
</head>
<body>
<a href="#" onclick="openNewDiv('newDiv');return false;">激活新层</a>
<p>网页内容网页内容网页内容</p>
<p>网页内容网页内容网页内容</p>
<select>
<option>123456</option>
<option>456789</option>
</select>
</body>
</html>
