var nav;
var navCopy;
var navItems;
var navCopyItems;
var is = new Array();
window.onload = function() {
	nav = document.getElementById('nav');
	navCopy = document.createElement('ul');
	navCopy.className = 'nav';
	navCopy.setAttribute('id', 'nav_copy');
	navCopy.innerHTML = nav.innerHTML;
	nav.appendChild(navCopy);
	navItems = nav.getElementsByTagName('a');
	navCopyItems = navCopy.getElementsByTagName('a');
	for(i=0; i<navCopyItems.length; i++) {
		if (navCopyItems[i]) {
			is[navCopyItems[i].href] = i;
			navCopyItems[i].onmouseover = function() { navItems[is[this.href]].className = 'selected'; }
			navCopyItems[i].onmouseout = function() { navItems[is[this.href]].className = 'unselected'; }
		}
	}
}