弹出对话框
<!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></title>
<script type="text/javascript">
function sAlert(str) {
var msgw, msgh, borderColor, titleHeight, titleColor;
msgw = "300";
msgh = "200";
titleHeight = 25;
borderColor = "#FF3C00";
titleColor = "#D2CECE";
var sWidth, sHeight;
sWidth = document.body.clientWidth;
//sHeight = document.body.clientHeight;
if (window.innerHeight && window.scrollMaxY) {
sHeight = window.innerHeight + window.scrollMaxY;
}
else if (document.body.scrollHeight > document.body.offsetHeight) {
sHeight = document.body.scrollHeight;
}
else {
sHeight = document.body.offsetHeight;
}
var bgObj = document.createElement("div");
bgObj.setAttribute('id', 'bgDiv');
bgObj.style.position = "absolute";
bgObj.style.top = "0";
bgObj.style.background = "#777";
bgObj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75)";
bgObj.style.opacity = "0.6";
bgObj.style.left = "0";
bgObj.style.width = parseInt(sWidth,10) + "px";
bgObj.style.height = parseInt(sHeight,10) + "px";
bgObj.style.zIndex = "100";
document.body.appendChild(bgObj);
var msgObj = document.createElement('div');
msgObj.setAttribute('id','msgDiv');
msgObj.setAttribute('align', 'center');
msgObj.style.background = "white";
msgObj.style.border = "1px solid " + borderColor;
msgObj.style.position = "absolute";
msgObj.style.left = "35%";
msgObj.style.top = "30%";
msgObj.style.font = "12px/1.6em Verdana,Geneva,Arial,Helvetica,sans-serif";
//msgObj.style.marginLeft = "-225px";
//msgObj.style.marginTop =-75+document.documentElement.scrollTop+ "px";
msgObj.style.width =msgw+ "px";
msgObj.style.height = msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight = "25px";
msgObj.style.zIndex = "101";
var title = document.createElement("h4");
title.setAttribute('id', 'msgTitle');
title.setAttribute('align', 'right');
title.style.margin = "0";
title.style.padding = "3px";
title.style.background = titleColor;
title.style.filter = "proid:DXImageTransform.Microsoft.Alpha(startX=20,startY=20,finishX=100,finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity = "0.75";
title.style.border = "1px solid " + borderColor;
title.style.height = "25px";
title.style.font = "12px Verdana,Geneva,Arial,Helvetica,sans-serif";
title.style.color = "white";
title.style.cursor = "pointer";
title.innerHTML = "<a href='#'>关闭</a>";
title.onclick = function () {
document.body.removeChild(bgObj);
document.getElementById("msgDiv").removeChild(title);
document.body.removeChild(msgObj);
};
document.body.appendChild(msgObj);
document.getElementById("msgDiv").appendChild(title);
var txt = document.createElement("p");
txt.style.margin = "1em 0";
txt.setAttribute('id', 'msgTxt');
txt.innerHTML = str;
document.getElementById("msgDiv").appendChild(txt);
}
</script>
<style type="text/css">
body{ width:100%;height:800px;}
</style>
</head>
<body>
<a href="#" onclick="sAlert('<a href=#>测试效果</a>')" >点击测试</a>
</body>
</html>
