function initPage(){
	var nav = document.getElementById("top-nav");
	if (nav){
		var nodes = nav.getElementsByTagName("li");
		for(var i = 0; i < nodes.length; i++){
			nodes[i].onmouseover = function(){
				if (this.className.indexOf("hover") == -1) this.className += " hover";
				var _box = this.getElementsByTagName('div')[0];
				if(typeof(hideSelectBoxes) == 'function' && _box) hideSelectBoxes(_box);
			}
			nodes[i].onmouseout = function(){
				this.className = this.className.replace(" hover", "");
				var _box = this.getElementsByTagName('div')[0];
				if(typeof(showSelectBoxes) == 'function' && _box) showSelectBoxes(_box);
			}
		}
	}
}
if (window.attachEvent && !window.opera) window.attachEvent("onload", initPage);