var init = function() {
	initLightbox();
	startList();	
}; 

var startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = $('nav');
		for (i=0; (node = navRoot.childNodes[i]); i++) {
			if (node.nodeName=="LI") {
				node.onmouseover=function(event) {
					if (this.className) {
					 this.className +=" over";
					}
					else {
						this.className = 'over';	
					}
				}
				node.onmouseout=function(event) {
					this.className=this.className.replace("over", "");
				}
			}
		}
	}
};

window.onload=init;