hover = function() {
	var menuItems = document.getElementById("menu").getElementsByTagName("LI");
	for (var i=0; i<menuItems.length; i++) {
		menuItems[i].onmouseover=function() {
			this.className+=" hover";
		}
		menuItems[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", hover);
 function hideSelects() {
   var selects = document.getElementsByTagName("SELECT");
   for (var i=0; i<selects.length; i++) {
    var oneSelect = selects[i];
    oneSelect.style.visibility = 'hidden';
   }
  }

  function showSelects() {
   var selects = document.getElementsByTagName("SELECT");
   for (var i=0; i<selects.length; i++) {
    var oneSelect = selects[i];
    oneSelect.style.visibility = 'visible';
   }
  }