Example Source Code
[www.mintao.net]
<div class="left">div left float:none</div>
<div class="right">div right [www.mintao.net]</div>
<div class="leftfloat">div left float:left</div>
<div class="right">div right [www.mintao.net]</div>
<span class="left">span left float:none</span>
<span class="right">span right</span>