function tc(t) {
	return document.getElementById(t).firstChild.firstChild.firstChild;
}
var s1=tc("sidebar");
var s2=tc("content");
var h1=s1.scrollHeight;
var h2=s2.scrollHeight;
if (h1>h2) s2.style.height=(h1-5)+"px";
else s1.style.height=(h2-5)+"px";