// JavaScript Document

function valNL(form) {
  var UTcogn = formNL.cpcognome.value;
  var UTnome = formNL.cpnome.value;
  var UTemail = formNL.cpemail.value;
  var emailRegex = new RegExp(/^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/);

  if(UTcogn == "") {
	formNL.cpcognome.style.border = "#F00 2px solid";
    return false;
  }else{
	formNL.cpcognome.style.border = "#ccc 1px solid";
  }
  if(UTnome == "") {
    formNL.cpnome.style.border = "#F00 2px solid";
    return false;
  }else{
	formNL.cpnome.style.border = "#ccc 1px solid";
  }
  if(UTemail == "") {
    formNL.cpemail.style.border = "#F00 2px solid";
    return false;
  }else{
	formNL.cpemail.style.border = "#ccc 1px solid";
  }
  if(!UTemail.match(emailRegex)) {
    formNL.cpemail.style.border = "#F00 2px solid";
    return false;
  }else{
	formNL.cpemail.style.border = "#ccc 1px solid";
  }
  return true;
}