// This is a stricter standard than RFC 821 (?) which allows addresses like postmaster@localhost

function isEmailAddr(address)
{
  var result = false;
	var domain = address.substring(address.indexOf('@') + 1);
	if (address.indexOf('@') == -1)  return false;
	if (address.indexOf('@') == 0) return false;
	if (domain.indexOf('.') == -1) return false;
	if (domain.indexOf('.') == 0 || domain.indexOf('.') == domain.length - 2) return false;
	return 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 allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function badCharacters(formField,fieldLabel)
{
	var result = true;

        if (fieldLabel=="Address")	
          {
           var illegalChars= /[\(\)\<\>\;\:\\\/\"\[\]\+\{\}\=\|\!\?\$\%\^\&\@\*]/;
          }
        else 
          {
	       var illegalChars= /[\(\)\<\>\;\:\\\/\"\[\]\+\{\}\=\|\!\?\#\$\%\^\&\@\*]/;
          }

        if (formField.value.match(illegalChars)) 
              {
                alert('The "' + fieldLabel +'" field contains illegal characters.');
		formField.focus();
		result = false;
              }

	return result;
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
		   result = false;
		   break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]\+\{\}\=\|\!\?\'\#\$\%\^\&\*]/
        if (formField.value.match(illegalChars)) 
              {
                alert("The email address contains illegal characters.");
		formField.focus();
		result = false;
              }
	if (required && !validRequired(formField,fieldLabel))
		result = false;


	if (result && ((formField.value.length < 6) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value,10);
 		if (isNaN(num))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
        return result;          
}

function validPhonezip(formField,fieldLabel,required,size)
{
	var result = true;
        var fieldSize = parseInt(size)

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 	  if (!allDigits(formField.value)) 
 		{
 		  alert('You have entered non-numeric characters. The "'+ fieldLabel +'" field must be "' + fieldSize +'" numbers.' );
		  formField.focus();		
		  result = false;
		}
          else if (formField.value.length < (fieldSize))
 		{
 		  alert('You have not entered enough numbers. Please enter "' + fieldSize +'" numbers for the "' + fieldLabel +'" field.');
		  formField.focus();		
		  result = false;
		}
          else 
                {
                  result = true;
                }	
        } 
	
	 return result;
}

function validExtzip(formField,fieldLabel,size)
{
	var result = true;

        var fieldSize = parseInt(size)

	if (formField.value != "")
 	{
 	  if (!allDigits(formField.value)) 
 		{
 		  alert('You have entered non-numeric characters. The "'+ fieldLabel +'" field must be "' + fieldSize +'" numbers.' );
		  formField.focus();		
		  result = false;
		}
          else if (formField.value.length < (fieldSize))
 		{
 		  alert('You have not entered enough numbers. Please enter "' + fieldSize +'" numbers for the "' + fieldLabel +'" field.');
		  formField.focus();		
		  result = false;
		}
          else 
                {
                  result = true;
                }	
        } 
	
	 return result;
}

function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}

function validateForm(theForm)
{
	// Customize these calls for your form

	// Start ------->
	if (!validRequired(theForm.fname,"First Name"))
		return false;

	if (!badCharacters(theForm.fname,"First Name"))
		return false;

	if (!validRequired(theForm.lname,"Last Name"))
		return false;

	if (!badCharacters(theForm.lname,"Last Name"))
		return false;

	if (!validRequired(theForm.address,"Address"))
		return false;

	if (!badCharacters(theForm.address,"Address"))
		return false;

	if (!validRequired(theForm.city,"City"))
		return false;

	if (!badCharacters(theForm.city,"City"))
		return false;

	if (!validRequired(theForm.state,"State"))
		return false;

	if (!validPhonezip(theForm.zip,"Zip Code",true,5))
		return false;

	if (!validExtzip(theForm.zipext,"Extended Zip Code",4))
		return false;

    if (!validPhonezip(theForm.homepharea,"Home Phone Area Code",true,3))
                return false;

	if (!validPhonezip(theForm.homephpre,"Home Phone Prefix",true,3))
                return false;

	if (!validPhonezip(theForm.homephsuf,"Home Phone Suffix",true,4))
                return false;

    if (!validExtzip(theForm.cellpharea,"Cell Phone Area Code",3))
                return false;

	if (!validExtzip(theForm.cellphpre,"Cell Phone Prefix",3))
                return false;

	if (!validExtzip(theForm.cellphsuf,"Cell Phone Suffix",4))
                return false;

	if (!validEmail(theForm.Email,"Email Address",true))
		return false;

//	if (!validRequired(theForm.eventType,"Select Event"))
//		return false;

	if (!validDate(theForm.eventDate,"Event Date",true))
		return false;

//	if (!validRequired(theForm.StartTime,"Start Time"))
//		return false;

//	if (!validRequired(theForm.am-pm,"Day or Evening"))
//		return false;

//	if (!validRequired(theForm.EndTime,"End Time"))
//		return false;

	if (!validRequired(theForm.facility,"Facility Name"))
		return false;

	if (!badCharacters(theForm.facility,"Facility Name"))
		return false;

	if (!validRequired(theForm.facilityTown,"Facility Town"))
		return false;

	if (!badCharacters(theForm.facilityTown,"Facility Town"))
		return false;

	if (!badCharacters(theForm.hearother,"Hear Other"))
		return false;

	if (!badCharacters(theForm.comments,"Comments"))
		return false;
	// <--------- End
	
	return true;
}