// prototype helper :)
function $() {
  var results = [], element;
  for (var i = 0; i < arguments.length; i++) {
    element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    results.push(element);
  }
  return results[0];
}

function initDropdowns( menus ) {
	for ( var a = 0; a < menus.length; a++ ) {
		v = $(menus[a]);
	}
}

function ddOver( menu ) {
	$(menu).style.display = 'block';
}

function ddOut( menu ) {
	$(menu).style.display = 'none';
}