function loadNav()
{

	var nodes = document.getElementById('header-nav').getElementsByTagName('LI');
	for (var n = 0, c = nodes.length; n < c; n++) {
		nodes[n].onmouseover=function() {
			this.className+=" hover";
		}
		nodes[n].onmouseout=function() {
			this.className=this.className.replace(/\s*hover/, '');
		}
	}

	var nodes = document.getElementById('nav').getElementsByTagName('LI');
	for (var n = 0, c = nodes.length; n < c; n++) {
		nodes[n].onmouseover=function() {
			this.className+=" hover";
		}
		nodes[n].onmouseout=function() {
			this.className=this.className.replace(/\s*hover/, '');
		}
	}

	var nodes = document.getElementById('nav-footer').getElementsByTagName('LI');
	for (var n = 0, c = nodes.length; n < c; n++) {
		nodes[n].onmouseover=function() {
			this.className+=" hover";
		}
		nodes[n].onmouseout=function() {
			this.className=this.className.replace(/\s*hover/, '');
		}
	}

}