javascript实现仿新浪信息提示效果

以下是引用片段:
<!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
" xml:lang="zh-CN" lang="zh-CN">
<head>
  <meta name="verify-v1" content="P4T6fFCiPVxqMWZ2eztyXVzMHlnwD0wLQOq6LBHN5Y8=" />
  <title>政策文件_中国电力工程造价信息网</title>
  <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
  <meta http-equiv="Content-Language" content="gb2312" />
  <meta name="KeyWords" content="电力工程造价,价格信息,装材,设备,电力工程" />
  <meta name="description" content="电力工程造价信息" />
  <style type="text/css">
      *{
          margin:0;padding:0;
      }
  </style>
</head>
<body>
 
<div class="cecmbody" id="cecmpolicy">
  <div class="leftClass">
  <a href=http://homepage.yesky.com>网页陶吧</a>
  <input type="button" value="点击这里"  />
  </div>
  <div class="rightClass">
  </div> 
</div>
    <script type="text/javascript" language="javascript">
//Author:Daviv
//Blog:http://blog.163.com/jxdawei
//Date:2006-10-27
//Email:jxdawei@gmail.com
  function sAlert(str){
  var msgw,msgh,bordercolor;
  msgw=400;//提示窗口的宽度
  msgh=100;//提示窗口的高度
  titleheight=25 //提示窗口标题高度
  bordercolor="#336699";//提示窗口的边框颜色
  titlecolor="#99CCFF";//提示窗口的标题颜色
   
  var sWidth,sHeight;
  sWidth=document.body.offsetWidth;
  sHeight=screen.height;
  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=sWidth  "px";
  bgObj.style.height=sHeight  "px";
  bgObj.style.zIndex = "10000";
  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 = "50%";
            msgObj.style.top = "50%";
            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 = "10001";
   
    var title=document.createElement("h4");
    title.setAttribute("id","msgTitle");
    title.setAttribute("align","right");
    title.style.margin="0";
    title.style.padding="3px";
    title.style.background=bordercolor;
    title.style.filter="progid: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="18px";
    title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
    title.style.color="white";
    title.style.cursor="pointer";
    title.innerHTML="关闭";
    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>
</body>
</html>

 感谢原创者的辛勤劳动,希望对您有所帮助,转载请注明原出处。
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