function mmRangeClass() {
  for (var i = 0; i < arguments.length; ++i) {
    this[mmRangeClass.arguments[i]] = new mmRange();
  }
}
  
function mmRange() {
  this.min    = null
  this.height = null
}

var mmRanges = new mmRangeClass("Height","Weight","Weight_to_Height","Chest","Waist","Chest_Breadth","Front_Length","Back_Length","Height","Weight","Weight_to_Height","Bust","Waist","Chest_Breadth","Front_Length","Back_Length","Bust_Height","Bust_Points","Chest_to_Waist","end");
mmRanges["Height"].min = 60;
mmRanges["Height"].max = 84;
mmRanges["Weight"].min = 100;
mmRanges["Weight"].max = 300;
mmRanges["Weight_to_Height"].min = 1.6;
mmRanges["Weight_to_Height"].max = 3.5;
mmRanges["Chest"].min = 30;
mmRanges["Chest"].max = 60;
mmRanges["Waist"].min = 26;
mmRanges["Waist"].max = 60;
mmRanges["Chest_Breadth"].min = 7;
mmRanges["Chest_Breadth"].max = 14;
mmRanges["Front_Length"].min = 12;
mmRanges["Front_Length"].max = 21;
mmRanges["Back_Length"].min = 14;
mmRanges["Back_Length"].max = 22;
mmRanges["Height"].min = 60;
mmRanges["Height"].max = 84;
mmRanges["Weight"].min = 100;
mmRanges["Weight"].max = 300;
mmRanges["Weight_to_Height"].min = 1.6;
mmRanges["Weight_to_Height"].max = 3.5;
mmRanges["Bust"].min = 22;
mmRanges["Bust"].max = 62;
mmRanges["Waist"].min = 26;
mmRanges["Waist"].max = 60;
mmRanges["Chest_Breadth"].min = 7;
mmRanges["Chest_Breadth"].max = 10;
mmRanges["Front_Length"].min = 12;
mmRanges["Front_Length"].max = 21;
mmRanges["Back_Length"].min = 14;
mmRanges["Back_Length"].max = 22;
mmRanges["Bust_Height"].min = 1;
mmRanges["Bust_Height"].max = 9;
mmRanges["Bust_Points"].min = 1;
mmRanges["Bust_Points"].max = 9;
mmRanges["Chest_to_Waist"].min = 0;
mmRanges["Chest_to_Waist"].max = 4.9;

var reFloat = /^((\d+(\.\d*)?)|((\d*\.)?\d+))$/;
var defaultEmptyOK = false

//function validRange( lookup, formfield, conversionfactor, fielddesc) {
//	if (( (mmRanges[lookup].min * conversionfactor) > formfield.value) || ( (mmRanges[lookup].max * conversionfactor) < formfield.value)) {
//		alert( fielddesc + ' Out of bounds. Valid values are between  ' + Math.round((mmRanges[lookup].min * conversionfactor)) + ' & ' + Math.round(( mmRanges[lookup].max * conversionfactor)));
//		formfield.focus();
//		return false;
//	}
//	else {
//		return true;
//	}	
//}

// trim
function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

// Check whether string s is empty.
function isEmpty(s)
{   
	return ((s == null) || (s.length == 0))
}

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;
}

//Validate Check Box
function isChecked( objFormField, strMsg) {
     var strValue= objFormField.checked;
     if ( !strValue) {
          alert( strMsg);
          objFormField.focus();
          return false;
     }
     return true;
  }     

function validRequired(formField,fieldLabel)
{
	var result = true;
	if (trim( formField.value) == "")
	{
		alert('Please enter a value for  ' + fieldLabel +'.');
		formField.focus();
		result = false;
	}
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

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;
	
	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;

}

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;
}

// isFloat ( formfield [, BOOLEAN emptyOK])
// 
// True if string s is an unsigned floating point (real) number. 
//
// Also returns true for unsigned integers. If you wish
// to distinguish between integers and floating point numbers,
// first call isInteger, then call isFloat.
//
// Does not accept exponential notation.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.

function isFloat (formField,fieldLabel)

{   
	s = formField.value;
	if (isEmpty(s)) 
       if (isFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isFloat.arguments[1] == true);

    return reFloat.test(s)
}


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 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 == 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 get_radio_value( formfield)
{
for (var i=0; i < formfield.length; i++)
   {
   if (formfield[i].checked)
      {
      return formfield[i].value;
      }
   }
}

function validStubPassword( formfield) {
	if ( formfield.value.length != 8) {
		alert( 'Password MUST be 8 characters');
		formfield.focus();
		return false;
	}
}

function validateOrderForm(theForm)
{
	// Validate the order form 
	if ( !validRequired( theForm.purchaseorder, "PO#")) {
		return false;
	}
	if ( !validInt( theForm.vestcount, "Estimated Vest Count for this PO", true)) {
		return false;
	}
	return true;
}

function validateSizingForm(theForm)
{
	// we really only need to trim the measuremnts, let's make all the data look nice
	theForm.lastname.value                = trim( theForm.lastname.value);
	theForm.firstname.value               = trim( theForm.firstname.value);
	theForm.department.value              = trim( theForm.department.value);
	theForm.m_height.value                = trim( theForm.m_height.value);
	theForm.m_weight.value                = trim( theForm.m_weight.value);
	theForm.m_chest.value                 = trim( theForm.m_chest.value);
	theForm.m_waist.value                 = trim( theForm.m_waist.value);
	theForm.m_chest_breadth.value         = trim( theForm.m_chest_breadth.value);
	theForm.m_back_length.value           = trim( theForm.m_back_length.value);
	theForm.m_front_length_standing.value = trim( theForm.m_front_length_standing.value);
	theForm.m_front_length_sitting.value  = trim( theForm.m_front_length_sitting.value);
		
	// Validate the order form 
	if ( !validRequired( theForm.lastname, "Last Name")) {
		return false;
	}
	if ( !validRequired( theForm.firstname, "First Name")) {
		return false;
	}
	//if ( !validRequired( theForm.department, "Division/Section")) {
	//	return false;
	//}
	// height
	if ( !validRequired( theForm.m_height, "Height")) {
		return false;
	}
	if ( !isFloat( theForm.m_height, false)) {
		alert('Please enter a number for  Height.');
		theForm.m_height.focus();
		return false;
	}
	conversionfactor = ( get_radio_value( theForm.measurements) == 'Metric') ? 2.54 : 1;
//	if ( !validRange( 'Height', theForm.m_height, conversionfactor, "Height")) {
//		return false;
//	}
	// weight
	if ( !validRequired( theForm.m_weight, "Weight")) {
		return false;
	}
	if ( !isFloat( theForm.m_weight, false)) {
		alert('Please enter a number for  Weight.');
		theForm.m_weight.focus();
		return false;
	}
	conversionfactor = ( get_radio_value( theForm.measurements) == 'Metric') ? 0.45359237 : 1;
//	if ( !validRange( 'Weight', theForm.m_weight, conversionfactor, "Weight")) {
//		return false;
//	}
	// chest
	if ( get_radio_value( theForm.gender) == 'M') {
		if ( !validRequired( theForm.m_chest, "Chest")) {
			return false;
		}
		if ( !isFloat( theForm.m_chest, false)) {
			alert('Please enter a number for  Chest.');
			theForm.m_chest.focus();
			return false;
		}
	} else {
		if ( !validRequired( theForm.m_bust, "Bust")) {
			return false;
		}
		if ( !isFloat( theForm.m_bust, false)) {
			alert('Please enter a number for  Bust.');
			theForm.m_bust.focus();
			return false;
		}
		if ( !validRequired( theForm.m_under_bust, "Under Bust")) {
			return false;
		}
		if ( !isFloat( theForm.m_under_bust, false)) {
			alert('Please enter a number for  Under Bust.');
			theForm.m_under_bust.focus();
			return false;
		}
		if ( !validRequired( theForm.m_cup_size, "Cup Size")) {
			return false;
		}
	}
	conversionfactor = ( get_radio_value( theForm.measurements) == 'Metric') ? 2.54 : 1;
//	if ( !validRange( 'Chest', theForm.m_chest, conversionfactor, "Chest")) {
//		return false;
//	}
	// waist
	if ( !validRequired( theForm.m_waist, "Waist")) {
		return false;
	}
	if ( !isFloat( theForm.m_waist, false)) {
		alert('Please enter a number for  Waist.');
		theForm.m_waist.focus();
		return false;
	}
//	if ( !validRange( 'Waist', theForm.m_waist, conversionfactor, "Waist")) {
//		return false;
//	}
	// chest breadth
	if ( !validRequired( theForm.m_chest_breadth, "Chest Breadth")) {
		return false;
	}
	if ( !isFloat( theForm.m_chest_breadth, false)) {
		alert('Please enter a number for  Chest Breadth.');
		theForm.m_chest_breadth.focus();
		return false;
	}
//	if ( !validRange( 'Chest_Breadth', theForm.m_chest_breadth, conversionfactor, "Chest Breadth")) {
//		return false;
//	}
	// back length	
	if ( !validRequired( theForm.m_back_length, "Back Length")) {
		return false;
	}
	if ( !isFloat( theForm.m_back_length, false)) {
		alert('Please enter a number for  Back Length.');
		theForm.m_back_length.focus();
		return false;
	}
//	if ( !validRange( 'Back_Length', theForm.m_back_length, conversionfactor, "Back Length")) {
//		return false;
//	}
	// front length standing
	if ( !validRequired( theForm.m_front_length_standing, "Front Length Standing")) {
		return false;
	}
	if ( !isFloat( theForm.m_front_length_standing, false)) {
		alert('Please enter a number for  Front Length Standing.');
		theForm.m_front_length_standing.focus();
		return false;
	}
//	if ( !validRange( 'Front_Length', theForm.m_front_length_standing, conversionfactor, "Front Length Standing")) {
//		return false;
//	}
	// front length sitting
	if ( !validRequired( theForm.m_front_length_sitting, "Front Length Sitting")) {
		return false;
	}
	if ( !isFloat( theForm.m_front_length_sitting, false)) {
		alert('Please enter a number for  Front Length Sitting.');
		theForm.m_front_length_sitting.focus();
		return false;
	}
//	if ( !validRange( 'Front_Length', theForm.m_front_length_sitting, conversionfactor, "Front Length Sitting")) {
//		return false;
//	}
	return true;
}

function validateRegisterUser(theForm)
{
	if ( !validRequired(theForm.textfield_firstname,'First Name')) {
		theForm.textfield_firstname.focus();
		theForm.textfield_firstname.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_lastname,'Last Name')) {
		theForm.textfield_lastname.focus();
		theForm.textfield_lastname.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_company,'Company')) {
		theForm.textfield_company.focus();
		theForm.textfield_company.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_address1,'Address')) {
		theForm.textfield_address1.focus();
		theForm.textfield_address1.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_city,'City')) {
		theForm.textfield_city.focus();
		theForm.textfield_city.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_zip,'Postal/Zip')) {
		theForm.textfield_zip.focus();
		theForm.textfield_zip.className = 'form_error';
		return false;
	}
	if ( !validRequired(theForm.textfield_phone,'Phone')) {
		theForm.textfield_phone.focus();
		theForm.textfield_phone.className = 'form_error';
		return false;
	}
	// Email validations
	if ( !validRequired(theForm.textfield_email,'Email')) {
		theForm.textfield_email.focus();
		theForm.textfield_email.className = 'form_error';
		return false;
	}
	if ( !isEmailAddr( theForm.textfield_email.value)) {
		alert( 'Email address entered is not valid.');
		theForm.textfield_email.focus();
		return false;
	}
	if ( theForm.textfield_email.value !=  theForm.textfield_confirmemail.value) {
		alert( "Email and Confirm Email must match.");
		theForm.textfield_email.focus();
		theForm.textfield_email.className = 'form_error';
		return false;
	}
	return true;
}