function doIframe(){o=document.getElementsByTagName("iframe");for(i=0;i<o.length;i++)if(/\bautoHeight\b/.test(o[i].className)){setHeight(o[i]);addEvent(o[i],"load",doIframe)}}function setHeight(a){a.height=a.contentDocument?a.contentDocument.body.offsetHeight+35:a.contentWindow.document.body.scrollHeight+50}function addEvent(a,b,c){if(a.addEventListener){a.addEventListener(b,c,false);return true}else return a.attachEvent?a.attachEvent("on"+b,c):false} document.getElementById&&document.createTextNode&&addEvent(window,"load",doIframe);