function fixHeights() {
	if(document.getElementById('left') && document.getElementById('right') && document.getElementById('leftlist')) {
		var left = document.getElementById('left').offsetHeight;
		var right = document.getElementById('right').offsetHeight;
		var cont = document.getElementById('leftlist');
		var difference = right - left - 300;
		
		if(right > left) {
			cont.style.paddingTop = difference + 'px';
		}
	}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);