function emailAddress(user) {
   eAddr='rt-labs.com';
   eAddr=(user + '@' + eAddr);
   document.write('<A href="mailto:' + eAddr + '">' + eAddr + '</a>');
} 

function checkEmail(email) {
   AtPos = email.indexOf("@");
   StopPos = email.lastIndexOf(".");
   
   if (email == "") {
      return 1;
   }
   
   if (AtPos == -1 || StopPos == -1) {
      return 1;
   }
   
   if (StopPos < AtPos) {
      return 1;
   }
   
   if (StopPos - AtPos == 1) {
      return 1;
   }
   
   return 0; // Check ok
}

function checkName(nameText) {
   if (nameText.length < 2) {
      return 1;
   }
   else {
      return 0; // Check ok
   }
}

function checkPhone(num) {
   var regex = /[\d-]{6,22}/;
   return !regex.test(num);
}