// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//
// Orignal Code by Travis Beckham - http://www.squidfingers.com
// Changed / Updated to live validation by Cody Lindley - http://www.codylindley.com
// http://codylindley.com/Javascript/243/live-javascript-validation/
// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- version date: 2/9/2006 ---------------------------------------------------------

// returns true if the string is empty
function isEmpty(str) {
	return (str == null) || (str.length == 0);
}
// returns true if the string is a valid email
function isEmail(str) {
	if (isEmpty(str)) return false;
	var re = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
	return re.test(str);
}
// returns true if the string only contains characters A-Z or a-z
function isAlpha(str) {
	var re = /[^a-zA-Z]/g
	if (re.test(str)) return false;
	return true;
}
// returns true if the string only contains characters 0-9
function isNumeric(str) {
	var re = /[\D]/g
	if (re.test(str)) return false;
	return true;
}
// returns true if the string only contains characters A-Z, a-z or 0-9
function isAlphaNumeric(str) {
	var re = /[^a-zA-Z0-9]/g
	if (re.test(str)) return false;
	return true;
}
// returns true if the string's length equals "len"
function isLength(str, len) {
	return str.length == len;
}
// returns true if the string's length is between "min" and "max"
function isLengthBetween(str, min, max) {
	return (str.length >= min)&&(str.length <= max);
}
// returns true if the string is a US phone number formatted as...
// (00)0000-0000, (00) 0000-0000, 00-0000-0000, 00.0000.0000, 00 0000 0000, 0000000000
function isPhoneNumber(str) {
	var re = /^\(?[0-9]\d{1}[\)\.-]?\s?\d{4}[\s\.-]?\d{4}$/
	return re.test(str);
}
// returns true if the string is a valid date formatted as...
// dd mm yyyy, dd/mm/yyyy, dd.mm.yyyy, dd-mm-yyyy
function isDate(str) {
	var re = /^(\d{1,2})[\s\.\/-](\d{1,2})[\s\.\/-](\d{4})$/
	if (!re.test(str)) return false;
	var result = str.match(re);
	var d = parseInt(result[1]);
	var m = parseInt(result[2]);
	var y = parseInt(result[3]);
	if (m < 1 || m > 12 || y < 1900 || y > 2100) return false;
	if (m == 2) {
		var days = ((y % 4) == 0) ? 29 : 28;
	} else if (m == 4 || m == 6 || m == 9 || m == 11) {
		var days = 30;
	} else {
		var days = 31;
	}
	return (d >= 1 && d <= days);
}
// returns true if "str1" is the same as the "str2"
function isMatch(str1, str2) {
	return str1 == str2;
}
// returns true if the string contains only whitespace
// cannot check a password type input for whitespace
function isWhitespace(str) { // NOT USED IN FORM VALIDATION
	var re = /[\S]/g
	if (re.test(str)) return false;
	return true;
}
// removes any whitespace from the string and returns the result
// the value of "replacement" will be used to replace the whitespace (optional)
function stripWhitespace(str, replacement) { // NOT USED IN FORM VALIDATION
	if (replacement == null) replacement = '';
	var result = str;
	var re = /\s/g
	if (str.search(re) != -1) {
		result = str.replace(re, replacement);
	}
	return result;
}

// validate form
function validateForm(f,preCheck,theformfunction) {
	var valid = true;
	var i,e,t,v,g,b,spantxt,spanid,spanelement,hiddenspan,revalidate,errorwarning;
	errorwarning = document.getElementById('errorwarning');

	for(i=0; i < f.elements.length; i++) {
		e = f.elements[i];

		// Add event & functions to form elements based on the formfucntion string
		if (theformfunction == 'configureValidation1') revalidate = function() { configureValidation1() };
		if (theformfunction == 'configureValidation2') revalidate = function() { configureValidation2() };
		if (theformfunction == 'configureValidation3') revalidate = function() { configureValidation3() };
		if (e.type == 'text' || e.type == 'password' || e.type == 'textarea') { e.onkeyup = revalidate };
		if (e.nodeName.toLowerCase() == "select") { e.onchange = revalidate };
		if (e.type == 'radio' || e.type == 'checkbox') { e.onclick = revalidate };


		if (e.optional) continue;

		t = e.type;
		v = e.value;

		// g = e.id + "L";
		g = e.id + "L";
		if (document.getElementById(g)) b = document.getElementById(g);

		spanid = e.id + "m";
		spanelement = document.createElement('span');
		spanelement.id = spanid;
		spanelement.className = "errortxt"
		if (!document.getElementById(spanid)) e.parentNode.appendChild(spanelement);
		hiddenspan = document.getElementById(spanid);

		if (t == 'text' || t == 'password' || t == 'textarea' || t == 'select') {
			if (isEmpty(v)) {
				valid = false;
				b.className = "errorLabel";
				hiddenspan.style.display = 'block';
				hiddenspan.innerHTML = 'Required Information';
				continue;
			} else {
				hiddenspan.style.display = 'none';
				hiddenspan.innerHTML = '';
				b.className = "fixedLabel"
			}

			if (v == e.defaultValue) {
				valid = false;
				hiddenspan.style.display = 'block';
				hiddenspan.innerHTML = 'Replace Default Text';
				b.className = "errorLabel";
				continue;
			} else {
				hiddenspan.style.display = 'none';
				hiddenspan.innerHTML = '';
				b.className = "fixedLabel"
			}

			if (e.isAlpha) {
				if (!isAlpha(v)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Only Letters Allowed';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isNumeric) {
				if (!isNumeric(v)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Only Numbers Allowed';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isAlphaNumeric) {
				if (!isAlphaNumeric(v)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Only Letters & Numbers Allowed';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isEmail) {
				if (!isEmail(v)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Invalid Email Format';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isLength != null) {
				var len = e.isLength;
				if (!isLength(v,len)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Invalid Amount Characters';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isLengthBetween != null) {
				var min = e.isLengthBetween[0];
				var max = e.isLengthBetween[1];
				if (!isLengthBetween(v,min,max)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Invalid Amount Characters';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isPhoneNumber) {
				if (!isPhoneNumber(v)) {
				 	valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Invalid Phone Format';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isDate) {
				if (!isDate(v)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Invalid Date Format';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}

			if (e.isMatch != null) {
				if (!isMatch(v, e.isMatch)) {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Entered Values Do Not Match';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}
		}

		if (e.nodeName.toLowerCase() == "select") {
			if (t.indexOf('select') != -1) {
				if (e.options[e.selectedIndex].value == 'noselection') {
					valid = false;
					b.className = "errorLabel";
					hiddenspan.style.display = 'block';
					hiddenspan.innerHTML = 'Required Information';
					continue;
				} else {
					hiddenspan.style.display = 'none';
					hiddenspan.innerHTML = '';
					b.className = "fixedLabel"
				}
			}
		}

		/*
		if (t == 'file') {
			if (isEmpty(v)) {
				valid = false;
				b.className = "errorLabel";
				hiddenspan.style.display = 'block';
				hiddenspan.innerHTML = 'Required Information';
				continue;
			} else {
				hiddenspan.style.display = 'none';
				hiddenspan.innerHTML = '';
				b.className = "fixedLabel"
			}
		}
		*/

	}
	if (preCheck == false) { valid = false };
	if (preCheck == false || valid == false) {
			errorwarning.style.display = 'block';
			(window.location.hash == '#errorwarning') ? null : window.location.hash = 'errorwarning';
		} else {
			errorwarning.style.display = 'none'
		 };
	return valid;
}


// Stop form submisson when enter key is used. Should be added to onload event handler
function blockEnter(evt) {
  evt = (evt) ? evt : event;
  var charCode = (evt.charCode) ? evt.charCode :
    ((evt.which) ? evt.which : evt.keyCode);
  if (charCode == 13) {
    return false;
  } else {
    return true;
  }
}


// ||||||||||||||||||||||||||||||||||||||||||||||||||
// Instructions for Configuration
// ||||||||||||||||||||||||||||||||||||||||||||||||||

/*
All elements are assumed required and will only be validated for an
empty value or defaultValue unless specified by the following properties.

isEmail = true; 						// valid email address
isAlpha = true; 						// A-Z a-z characters only
isNumeric = true; 					// 0-9 characters only
isAlphaNumeric = true; 			// A-Z a-z 0-9 characters only
isLength = number; 				// must be exact length
isLengthBetween = array; 		// [lowNumber, highNumber] must be between lowNumber and highNumber
isPhoneNumber = true; 			// valid Australian phone number. See "isPhoneNumber()" comments for the formatting rules
isDate = true; 						// valid date. See "isDate()" comments for the formatting rules
isMatch = string; 					// must match string
optional = true; 					// element will not be validated
*/

// ||||||||||||||||||||||||||||||||||||||||||||||||||
// --------------------------------------------------
// ||||||||||||||||||||||||||||||||||||||||||||||||||