var oldHandler = window['onload'];
			window['onload'] = function() {
				if(typeof(oldHandler) == 'function') {
					oldHandler();
				}
				setHeight();
			};
			function setHeight() {
				var b1 = document.getElementById('content');
				var b2 = document.getElementById('sidebar');
				if (!b1 || !b2) return;
				var h1 = b1.offsetHeight;
				var h2 = b2.offsetHeight;
				if (h1 > h2) {
					b2.style.height = (h1) + 'px';
					b1.style.height = (h1 - 26) + 'px';
				}else if (h1 < h2) {
					b1.style.height = (h2) + 'px';
					b2.style.height = (h2) + 'px';
				}
			}