使两个iframe的高度与内容自适应,且相等

div class="TxtBox"
iframe frameborder="0" scrolling="no" name="news1"  id="news1" onload="if(document.frames['news1'].document.body.scrollHeightdocument.frames['news2'].document.body.scrollHeight) document.all.news1.height=document.frames['news1'].document.body.scrollHeight;if(document.frames['news1'].document.body.scrollHeight=document.frames['news2'].document.body.scrollHeight) document.all.news1.height=document.frames['news2'].document.body.scrollHeight;" src="http://m.tulaoshi.com" width="100%"/iframe
/div

div class="TxtBox"

iframe frameborder="0" scrolling="no" name="news2" id="news2" onload="if(document.frames['news1'].document.body.scrollHeightdocument.frames['news2'].document.body.scrollHeight) document.all.news2.height=document.frames['news1'].document.body.scrollHeight;if(document.frames['news1'].document.body.scrollHeight=document.frames['news2'].document.body.scrollHeight) document.all.news2.height=document.frames['news2'].document.body.scrollHeight;" src="http://m.tulaoshi.com/index_1.htm" width="100%"/iframe

/div
图老师提醒啊，多浏览期兼容需要注意些地方，不要用document.all用兼容好的，