<body bgcolor="black">
<script language = "javascript">
function loadframe(url)
{
mainone.innerHTML = "<iframe src='" + url + "' width='100%' height='500'></iframe>";
}
function loadframefrominput(url)
{
var tmpstr;
tmpstr = url.value;
try{
if(tmpstr==""||tmpstr=="http://"||tmpstr=="https://"||tmpstr=="ftp://")
mainone.innerHTML = "Please enter URL.";
else if(tmpstr.indexOf("http://")>=0||tmpstr.indexOf("https://")>=0||tmpstr.indexOf("ftp://")>=0)
mainone.innerHTML = "<iframe src='" + tmpstr + "' width='100%' height='500'></iframe>";
else
mainone.innerHTML = "Please enter a valid URL.";
}catch(err)
{
mainone.innerHTML = err.description;
}
}
function contain(str,charset)
{
var i;
for(i=0;i<charset.length;i++)
if(str.indexOf(charset.charAt(i))>=0)
return true;
return false;
}
function clearframe()
{
mainone.innerHTML = "";
}
</script>
<font color=white>
<table border="0" width="1000" align=center>
<p>
<hr/>
<button onclick="loadframe('http://rss.news.sohu.com/rss/guoji.xml')">Sohu Int.</button>
<button onclick="loadframe('http://rss.news.sohu.com/rss/it.xml')">Sohu IT</button>
<button onclick="loadframe('http://rss.news.sohu.com/rss/guonei.xml')">Sohu Nat.</button>
<button onclick="loadframe('http://www.phpstudy.net')">phpstudy.net</button>
<button onclick="loadframe('http://www.baidu.com')">baidu</button>
<button onclick="loadframe('http://www.google.com')">Google</button>
<button onclick="clearframe()">Close</button>
Open a URL: <input id="urltxt" size="50" value="http://"/> <button onclick="loadframefrominput(urltxt)"> Go! </button>
<hr/>
<div id="mainone" width="100%" hight="500"></div>
</table>
</font>
</body>