function leftNavHover(e,obj) {
	this.className += " over";
}
function leftNavNormal(e,obj) {
	this.className = this.className.replace(/\sover/,"");
}
function fixLeftNavRollovers() {
	if (document.all&&document.getElementById) {
		var listEls = document.getElementById('left-nav-links').getElementsByTagName('li');
		Event.addEvent(listEls,"mouseover",leftNavHover);
		Event.addEvent(listEls,"mouseout",leftNavNormal);
	}
}

Event.addEvent(window,"load",fixLeftNavRollovers);