function verif(){

  if (document.form.ts_commemal.value == "")
  {
    alert("Please enter your email address.");
    document.form.ts_commemal.focus();
    return (false);
  } 
  else if (emailCheck(document.form.ts_commemal)==false)
  {
  	 document.form.ts_commemal.focus();
    return (false);
  }
  

  var emailChecked = 0;
	for (j=0; j<2; j++) {
		if (document.form.ts_commform[j].checked == true) {
			emailChecked = 1;
		}
	}
	if (emailChecked == 0) {
		alert('Please select which type of email you would like to receive');
		return (false);
	}
	return (true);
}


function emailCheck(obj)
{
 var emailStr = obj.value;
 var emailPat = /^[\'_\.0-9A-Za-z-]+@([0-9A-Za-z-]+[0-9A-Za-z-\.]+)\.([A-Za-z]){2,4}$/;
 var email = emailStr.toLowerCase();
 var matchArray = email.match(emailPat);
 if (matchArray==null)
 {
      alert("Please enter a valid email address");
      return (false);
 }
 //obj.value = email;
 return (true);
}