var reloading = false;

menu_hover = function() {
	var menu_elements = document.getElementById("menu").getElementsByTagName("LI");

	for (var i=0; i<menu_elements.length; i++) {
		menu_elements[i].onclick = function() {
			s = String(this.className);
			if (s.match("menu_hover")) {
			    
        		if (!reloading)
        			this.className=this.className.replace(new RegExp(" menu_hover\\b"), "");
        		
    		} else {
			    this.className+=" menu_hover";
            }
		}
	}

	var a_elements = document.getElementById("menu").getElementsByTagName("a");
	for (var i=0; i<a_elements.length; i++) {
		s = String(a_elements[i].className);
        if (s.match("category")) {
            a_elements[i].onclick = function() {
                reloading = false;
                return false;
            }
        } else {
            a_elements[i].onclick = function() {
                reloading = true;
            }
        }
	}
	

}