function validate(compoLaunch) {
 
   var emailFilter = /^.+@.+\..{2,4}$/;
  if (!(emailFilter.test(contactform.email.value))) {
    alert("Please enter a valid email address (eg: user@domain.com).");
    contactform.email.focus();
    return false;
  }
  else {
    var illegalChars = /[\(\)\<\>\,\;\:\\\"\[\]]/
    if (contactform.email.value.match(illegalChars)) {
      alert("The email address contains illegal characters. Please enter a valid email address (eg: user@domain.com).");
      contactform.email.focus();
      return false;
    }
  }
  
  if (contactform.message.value == "") {
     alert ("Remember your message!");
     compoLaunch.message.focus();
     return false;
  }  
  
  return true;
}