如何使一窗口总是最大化啊？急着交了！

呵呵！帮忙！
---------------------------------------------------------------

1<script language="javascript">   
2<!--   
3window.open("http://www.sina.com.cn","","left=0,top=0,width=800,height=600")   
4//-->   
5</script>

---------------------------------------------------------------

1<script>   
2window.open("about:blank","","channelMode,resizable=no")   
3</script>

---------------------------------------------------------------

 1<body onload="maxWin()" onresize="maxWin()">
 2<script language="javascript">   
 3function maxWin()   
 4{   
 5try   
 6{   
 7var b = top.screenLeft == 0;   
 8var b = b && top.screen.availHeight - top.screenTop - top.body.offsetHeight - 20 == 0;   
 9if(!b)   
10{   
11var str = '<object id=meizzMax classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'   
12str += '<param name="Command" value="Maximize"></object>';   
13document.body.insertAdjacentHTML("beforeEnd", str);   
14document.getElementById("meizzMax").Click();   
15}   
16}catch(e){}   
17}   
18</script>   
19\---------------------------------------------------------------</body>