function hover() {
	var menu = document.getElementById('menu');
            	menu.style.height = "35px"
    var menuElements = document.getElementById("nav").getElementsByTagName("LI");

    for (var i = 0; i < menuElements.length; i++) {

            // Remove dotted button border
            var links = menuElements[i].getElementsByTagName("a");
            for (var x = 0; x < links.length; x++) {
                links[x].onfocus = function() {
                    if (this.blur)
                        this.blur();
                }
            }

            menuElements[i].onmouseover = function() {
                this.className += "over";
                var menu = document.getElementById('menu');
                menu.style.height = "140px";

            }
            menuElements[i].onmousedown = function() {
                return null;
				var menu = document.getElementById('menu');
            	menu.style.height = "35px"
            }
            menuElements[i].onmouseout = function() {
            this.className = "";
            var menu = document.getElementById('menu');
            menu.style.height = "35px";
            }
        }

}