function isEmailAddr(email)
					{
					  var result = false;
					  var theStr = new String(email);
					  var index = theStr.indexOf("@");
					  if (index > 0)
					  {
					    var pindex = theStr.indexOf(".",index);
					    if ((pindex > index+1) && (theStr.length > pindex+1))
					        result = true;
					  }
					  return result;
					}
					
					function validRequired(formField,fieldLabel)
					{
					        var result = true;
					        if (formField.value == "")
					        {
					                alert('Please enter a value for the "' + fieldLabel +'" field.');
					                formField.focus();
					                result = false;
					        }
					        return result;
					}
					
					
					function validEmail(formField,fieldLabel,required)
					{
					        var result = true;
					
					        if (required && !validRequired(formField,fieldLabel))
					                result = false;
					
					        if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
					        {
					                alert("Please enter a complete email address in the form: yourname@yourdomain.com");
					                formField.focus();
					                result = false;
					        }
					        return result;
					}