function input_error_handler(form,missingFields,wrongEMail,wrongPassword) {
  $("#formError").show().css('overflow','visible');
  var mySelector = form.id;
  mySelector = "form#"+mySelector+" *.error";
  $(mySelector).removeClass("error");
  for (i in missingFields) {
    mySelector = "*[@name="+missingFields[i]+"]";
    $(mySelector).addClass("error");
    mySelector = "label[@for="+missingFields[i]+"]";
    $(mySelector).addClass("error");
  }
  for (i in wrongEMail) {
    mySelector = "*[@name="+missingFields[i]+"]";
    $(mySelector).addClass("error");
    mySelector = "label[@for="+missingFields[i]+"]";
    $(mySelector).addClass("error");
  }
}