使两个iframe的高度与内容自适应且相等

<iframe frameborder=”0′′ scrolling=”no” name=”news1′′ id=”news1′′ onload=”if(document.frames[‘news1’].document.body.scrollHeight>document.frames[‘news2’].document.body.scrollHeight) document.all.news1.height=document.frames[‘news1’].document.body.scrollHeight;if(documen