//NAVIGATOR
function navDropDown() {
	var navItems = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<navItems.length; i++) {
		if(navItems[i].className == "off") {
			navItems[i].onmouseover=function() { this.className = "on"; }
			navItems[i].onmouseout=function() { this.className = "off"; }
		} else if(navItems[i].className == "sel") {
			navItems[i].onmouseover=function() { this.className += " on"; }
			navItems[i].onmouseout=function() { this.className = "sel"; }
		} else {
			navItems[i].onmouseover=function() { this.className = "on-single"; }
			navItems[i].onmouseout=function() { this.className = ""; }
		}
	}
}
window.onload = navDropDown;