The
<iframe>
tag creates a floating frame region in your web document. It acts as a
separate window embedded into the document that can load and unload
content independent of the rest of the web page.
Set your links to target the iframe window on the page to seemessly load
content into the document without the rest of the page refreshing.
<a href="framedPage1.html" target="myiframe">Framed Page 1</a><br />
<a href="framedPage2.html" target="myiframe">Framed Page 2</a><br />
<br />
<iframe name="myiframe" src="what_is_new.php" style="height: 400px; width: 600px; margin-left: 0px; margin-top: 0px" scrolling="auto" frameborder="0"></iframe>