// developed by Stanislav Melnichuk - dreamlevels.com
function ValidateEmailE(email) {
  if (email=="") {
    alert ("Please enter email address.");
    return false;
  }

  re = /^[\w-\.]+@([\w-]+\.)+([a-z]{2,4})$/i ;

  if(re.test(email)) {
    return true;
  } else {
    alert("Invalid E-mail. Please re-enter");
    return false;
  }

}

function ValidateEmailR(email) {
  if (email=="") {
    alert ("Введите ваш email.");
    return false;
  }

  re = /^[\w-\.]+@([\w-]+\.)+([a-z]{2,4})$/i ;

  if(re.test(email)) {
    return true;
  } else {
    alert("Неправильный E-mail. Пожалуйста, исправьте");
    return false;
  }

}

function ValidateURL(url) {
  if (url=="") {
    alert ("URL is required!");
    return false;
  }

  re = /^http:\/\//i;

  if(re.test(url)) {
    return true;
  } else {
    alert("Invalid URL. Please re-enter");
    return false;
  }

}