var Menu = {
  'Hover': function(Li) {
    Li.getElementsByTagName('a')[0].className = 'hover';
    disableSelection(Li);
  },

  'Out': function(Li) {
    Li.getElementsByTagName('a')[0].className = 'out';
  },

  'Click': function(Li) {
    location.href = Li.getElementsByTagName('a')[0].href;
  }
};


function disableSelection(target){
  if (typeof target.onselectstart!="undefined") {
    target.onselectstart=function(){
        return false;
    }
  } else if (typeof target.style.MozUserSelect!="undefined") {
    target.style.MozUserSelect="none";
  } else {
    target.onmousedown=function(){
        return false;
    }
    target.style.cursor = "default";
  }
}

function validateForm(Form) {
  msgArea = document.getElementById('msgArea');

  for (i=0;i<Form.childNodes.length;i++) {
    if (Form[i] && (Form[i].nodeName == 'INPUT' || Form[i].nodeName == 'TEXTAREA') &&  Form[i].value == '') {
      msgArea.innerHTML = 'Preencha todos os campos';
      return false;
    }
  }

  return true;
}