// JavaScript Document
	// AJAX functions


	/**
	 *  DO NOT TOUCH BEFORE CONTACTING M.K.
	 * In order to trigger a simple ajax request without a form, i.e. using plain data, you need
	 * to pass the data in the url in which case: Both the form and formfields parameters will be
	 * ignored.
	 *
	 * 1.  serverAction        = The server-side action in the action page.
	 * 2.  url                 = The path to the action page to submit to.
	 * 3.  data                = Data to post, used ONLY if a form is not provided.
	 *                           NOTE: All data, including the action, must be included in the data
	 *                                field if a form is not supplied.
	 * 4.  form                = The form Object to be submitted.
	 * 5.  formfields          = Comma seperated IDs of fields whose values are to be retrieved
	 *                           and posted from the given form to the action page.
	 * 6.  buttonsToDisable    = Comma seperated IDs of buttons to disable until the AJAX
	 *                           request returns from processing. Used to disallow multiple presses.
	 * 7.  resultFunction      = Success result handler function.
	 * 8.  errorFunction       = Failure result handler function.
	 * 9.  loadingSymbolItemId = The ID of the loading animation in the page.
	 * 10. async               = True for asynchronous requests/False for synchronous requests.
	 */
	function ajaxCall(serverAction, url, data, form, formfields, buttonsToDisable, resultFunction, errorFunction, loadingSymbolItemId, async)
	{
		//alert ('tmp: ' + tmp + '\nserverAction: ' + serverAction + '\nurl: ' + url + '\ndata: ' + data + '\nform: ' + form + '\nformfields: ' + formfields + '\nbuttonsToDisable: ' + buttonsToDisable + '\nresultFunction: ' + resultFunction + '\nerrorFunction: ' + errorFunction + '\nloadingSymbolItemId: ' + loadingSymbolItemId + '\nasync: ' + async);
		var ajaxRequest = generateAjaxInstance();
		ajaxRequest.onreadystatechange = function ()
		{
			if (ajaxRequest.readyState == 4)
			{
				if(ajaxRequest.status==200)
				{
					if(buttonsToDisable != null && buttonsToDisable.length > 0)
					{
						enableButtons(buttonsToDisable, true);
					}
	
					if(loadingSymbolItemId != null)
					{
						showAjaxLoaderValidation(false, loadingSymbolItemId);
					}

					var results = ajaxRequest.responseText;
					var tmpContainsError = extractError(results);

					if (tmpContainsError == null)
					{
						if(resultFunction != null)
						{
							var arr = extractMsgAndCode(results);
							resultFunction.call(this, arr);
						}
					}
					else if(errorFunction)
					{
						errorFunction.call(this, tmpContainsError);
					}
					else
					{
						alert (tmpContainsError[0]);
					}
				}
				else
				{
					errorInResponse();
				}
			}
		}

		var tmp = null;
		// Switch between submitting a form and plain data.
		if(form != null)
		{
			tmp = getObjFromForm(form, formfields);
			tmp += "action=" + serverAction;
		}
		else if(data != null && data.length > 0)
		{
			tmp = data;
		}

		// Disable any buttons whose IDs have been passed.
		if(buttonsToDisable != null && buttonsToDisable.length > 0)
		{
			enableButtons(buttonsToDisable, false);
		}

		// Show the AJAX loader animation.
		if(loadingSymbolItemId != null)
		{
			showAjaxLoaderValidation(true, loadingSymbolItemId);
		}

		// Check if async is undefined, and default to true for an asynchronous request.
		if(async == null)
		{
			async = true;
		}

		ajaxRequest.open("POST", url, async);
		ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajaxRequest.send(tmp);
	}

	function errorInResponse()
	{
		alert('Connection to server lost! Please reload page.');
	}

	function enableButtons(buttonsStr, enable)
	{
		var btnTmp = buttonsStr.split(',');
		var value = enable ? null : 'true';
		for(var i=0; i< btnTmp.length; i++)
		{
			document.getElementById(btnTmp[i]).disabled = value;
		}
	}

	/**
	 * This function handles the display of the ajax loader while validation
	 * it should be set to true while validating, and false, when done.
	 */
	function showAjaxLoaderValidation(status, itemId)
	{
		displayValue = '';
		if(document.all)
		{
			displayValue = 'inline';
		}
		else
		{
			displayValue = 'table-row';
		}

		if (status)
		{
			if (itemId){
				document.getElementById(itemId).style.display = displayValue;
			}else{

			  if(document.getElementById('ajaxLoaderValidation') != undefined)
			  {
				document.getElementById('ajaxLoaderValidation').style.display = displayValue;
			  }

			  if(document.getElementById('ajaxLoaderValidation2') != undefined)
			  {
				document.getElementById('ajaxLoaderValidation2').style.display = displayValue;
			  }

			  if(document.getElementById('messageSent') != undefined)
			  {
				document.getElementById('messageSent').style.display = "none";
			  }
                        }
		}
		else
		{
			if (itemId){
				document.getElementById(itemId).style.display = "none";
			}else{
			  if(document.getElementById('ajaxLoaderValidation') != undefined)
			  {
				document.getElementById('ajaxLoaderValidation').style.display = "none";
			  }

			  if(document.getElementById('ajaxLoaderValidation2') != undefined)
			  {
				document.getElementById('ajaxLoaderValidation2').style.display = "none";
			  }
                        }
		}
	}

	function ajaxFunction(param)
	{
		displayValue = '';
		if(document.all)
		{
			displayValue = 'inline';
		}
		else
		{
			displayValue = 'block';
		}

		showAjaxLoaderValidation(true)
		var ajaxRequest;  // The variable that makes Ajax possible!
		try
		{
			// Opera 8.0+, Firefox, Safari.
			ajaxRequest = new XMLHttpRequest();
		}
		catch (e)
		{
			// Internet Explorer Browsers.
			try
			{
				ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch (e)
			{
				try
				{
					ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
				}
				catch (e)
				{
					// Something went wrong
					alert("Your browser broke!");
					return false;
				}
			}
		}

		switch (param.id)
		{
			// TODO ABDALLAH: Remove this after we r done testing.
			case "reg_verification_form":
				ajaxRequest.onreadystatechange = function ()
				{
					if (ajaxRequest.readyState == 4)
					{
						if(ajaxRequest.status==200)
						{
							var results = ajaxRequest.responseText;
							var tmpContainsError = extractError(results);
	
							if (tmpContainsError == null)
							{
								var arr = extractMsgAndCode(results);
								//alert(arr[1]);
								location.href = "smsSection.php";
							}
							else
							{
								alert(tmpContainsError[0]);
							}
							showAjaxLoaderValidation(false);
						}
						else
						{
							errorInResponse();
						}
					}
				}
				var tmp = getObjFromForm(param,'mobileCode,emailCode');
				tmp += "action=reg_step_two";

				ajaxRequest.open("POST", "action/_registration_action.php", true);
				ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajaxRequest.send(tmp);
			break;

			case "edit_profile_form":
				ajaxRequest.onreadystatechange = function ()
				{
					if (ajaxRequest.readyState == 4)
					{
						var results = ajaxRequest.responseText;
						var tmpContainsError = extractError(results);
						if (tmpContainsError == null)
						{
							//was updating profile
							location.href = "smsSection.php";
						}
						else
						{
							alert(tmpContainsError[0]);
							document.getElementById('regSubmit').disabled = null;
						}
						showAjaxLoaderValidation(false);
					}
				}
				var tmp = getObjFromForm(param,'firstName,lastName,userName,password,oldPassword,email,mobileNumber,birthday,month,year,gender,country');
				tmp += "action=update_profile";

				ajaxRequest.open("POST", "action/_registration_action.php", true);
				ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajaxRequest.send(tmp);
			break;

            case "forgotPassword_form":
				ajaxRequest.onreadystatechange = function ()
				{
					if (ajaxRequest.readyState == 4)
					{
						document.getElementById('regSubmit').disabled = false;
						var results = ajaxRequest.responseText;
						var tmpContainsError = extractError(results);

						if (tmpContainsError == null)
						{
							var arr = extractMsgAndCode(results);
							alert(arr[1]);
						}
						else
						{
							alert(tmpContainsError[0]);
						}
						showAjaxLoaderValidation(false);
					}
				}
				document.getElementById('regSubmit').disabled = true;
				var tmp = getObjFromForm(param,'userEmail,userName');

				tmp += "action=forgotPassword";

				ajaxRequest.open("POST", "action/_forgotPassword_action.php", true);
				ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajaxRequest.send(tmp);

			break;

			case "contacts_form":
				ajaxRequest.onreadystatechange = function ()
				{
					if (ajaxRequest.readyState == 4)
					{
						var results = ajaxRequest.responseText;
						var tmpContainsError = extractError(results);

						if (tmpContainsError == null)
						{
							var arr = extractMsgAndCode(results);
							document.getElementById('firstName').value = '';
							document.getElementById('lastName').value = '';
							document.getElementById('mobile').value = '';
							document.getElementById('contactSaved').innerHTML = 'Contact Saved Successfully';
							document.getElementById('contactSaved').className = 'redTextAlert';
							document.getElementById('contactSaved').style.display = 'inline';							
							if(arr[0]==1)
								location.href = "searchContact.php";
						}
						else
						{
							alert (tmpContainsError[0]);
						}
						showAjaxLoaderValidation(false);

						document.getElementById('selectedIds').value = '-1';
					}
				}
				var tmp = getObjFromForm(param, 'contactId,selectedIds,firstName,lastName,mobile');
				//tmp += 'action=login_user';

				ajaxRequest.open("POST", "action/_newContact_action.php", true);
				ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				ajaxRequest.send(tmp);
			break;
		}
	}

	/**
	 * Returns true if an error(system or business) occurred, false otherwise.
	 */
	function containsError (data)
	{
		//alert(data);
		if (data.indexOf('COMPILER_ERROR') != -1)
		{
			return true;
		}

		if (data.indexOf('ERROR')!=-1)
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Returns null if no error, an array containing the errormsg and errorcode otherwise.
	 */
	function extractError (data)
	{
		//alert(data);
		if (containsError(data))
		{
			var arrResult = new Array();

			if (data.indexOf('COMPILER_ERROR')!=-1)
			{
				arrResult.push("Severe error has occured");
				arrResult.push("-2");
				return arrResult;
			}
			else
			{
				var tmp = data.split('~');
				arrResult.push(tmp[1]);
				arrResult.push(tmp[2]);
				return arrResult;
			}
		}
		else
		{
			return null;
		}
	}

	/**
	 *  Retrieves the values of the elements in the given form whose IDs match the
	 * given comma seperated IDs String. Then, generates the variable portion of the
	 * HTTP URL request String(variable=value seperated by '&') where the variable
	 * is a token from the IDs String and the value is its corresponding value in
	 * the form.
	 *
	 * NOTE: This function also adds an '&' to the end of the returned String.
	 */
	function getObjFromForm (form, IDs)
	{
		var returnObj = '';
		if (arguments.length == 1)
		{
			returnObj = '';
		}
		else
		{
			var IDsArr = IDs.split(',');
			for (var i=0; i<IDsArr.length; i++)
			{
				if (document.getElementById(IDsArr[i]).type == 'checkbox')
				{
					returnObj += IDsArr[i] + "=" + document.getElementById(IDsArr[i]).checked + "&";
				}
				else
				{
					encodedInputString=escape(document.getElementById(IDsArr[i]).value);
					encodedInputString=encodedInputString.replace(/\+/g, "%2B");
  					encodedInputString=encodedInputString.replace(/\//g, "%2F");
					returnObj += IDsArr[i] + "=" + encodedInputString + "&";
				}
			}
		}

		return returnObj;
	}

	/**
	 * Split the given String on the '~' character and return an array of tokens.
	 */
	function extractMsgAndCode (successEventSt)
	{
		return successEventSt.split('~');
	}

	/**
	 * This function sets the comboBox with 'id=comboId' to the index 'index'.
	 */
	function setComboIndex (comboId, index)
	{
		document.getElementById(comboId).selectedIndex = index;
	}

	/**
	 * This function disables the comboBox with 'id=comboId'.
	 */
	function disableCombo (comboId)
	{
		document.getElementById(comboId).disabled = true;
	}
// JavaScript Document.

/**
 *  Used to allow common trim functionalities for all string.
 */
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}

/**
 *  This function ensures that all '+' characters in the given String are
 * replaced with spaces, and all special characters in their hexadecimal
 * representation are replaced with their ASCii representation. Usually
 * used along with the PHP function 'DBTextEncode'.
 *
 *  It replaces the '+' character with ' ', then applies the unescape
 * function on the given String, then replaces all occurrences of the '\+'
 * String with a '+'.
 *
 * @param $text encoded String
 *
 * @return The user-friendly String
 */
function DBTextDecode(text)
{
	return unescape(text.replace(/\+/g, ' ')).replace(/\\\+/g, '+');
}

/**
*   This function checks if the given text is numeric or not. It is modified, and the 'isDecimal' input
*  is either '1' for: the number is a decimal, or '0' for: the number is an int. It is taken from this URL:
*  http://www.codetoad.com/javascript/isnumeric.asp
*/
function isNumeric(sText, isDecimal) {
   var ValidChars;
   var IsNumber=true;
   var Char;
   var j=0;

   ValidChars = "0123456789";

   //in case the string is empty
   if (sText.length == 0)
   	IsNumber = false;

   for (j = 0; j < sText.length && IsNumber == true; j++)
   {
      Char = sText.charAt(j);
      if (ValidChars.indexOf(Char) == -1) {
	  	if (isDecimal == 1 && Char == ".")
			continue;
		else {
			IsNumber = false;
			break; // Added the break.
		}
      }
   }
   return IsNumber;
}

/**
*  This function adds a red star next to the fields whose required value is
* "yes". It iterates over all tags of type 'input', 'textarea', and 'select'
* respectively, and appends a red star (*) next to them.
*/
function putStarsOnRequired()
{
	var inputs = document.getElementsByTagName("input");
	var textareas = document.getElementsByTagName("textarea");
	var selects = document.getElementsByTagName("select");

	for (i=0; i<inputs.length; i++)
	{
		helperPutStar(inputs[i]);
	}

	for (i=0; i<textareas.length; i++)
	{
		helperPutStar(textareas[i]);
	}

	for (i=0; i<selects.length; i++)
	{
		helperPutStar(selects[i]);
	}
}

/**
 *  Helper function to append a red star to the innerHTML of the
 * TD of the given element if the element is a required input.
 */
function helperPutStar (element)
{
	var label;

	if (element.getAttribute('required') != null && element.getAttribute('required') != 'no')
	{
		label = document.getElementById(element.id + '_td');
		if (label != null)
		{
			label.innerHTML += '<font color=\"#FF0000\">*</font>';
		}
	}
}

/**
 *   This function insert a user-friendly red error message in the id='access_system' table
 *  of the index.php page.
 */
function insertFriendlyAlert (tblId, rowIndex, rowText) {
	var tbl = document.getElementById(tblId);
	var newRow = tbl.insertRow(rowIndex);
	var newCell0 = newRow.insertCell(0);
	var newCell1 = newRow.insertCell(0);
	var newCell2 = newRow.insertCell(0);

	// First cell.
	newCell0.innerHTML = '&nbsp;';

	// Second cell.
	newCell1.className = "txt";
	newCell1.innerHTML = '<font color=\"#FF0000\">' + rowText + '</font>';

	// Third cell.
	newCell2.innerHTML = '&nbsp;';
}

/**
 * Generates an Asynchronous Javascript And XML object based on the client browser.
 * It first tries to generate an XMLHttpRequest for (Opera 8.0+, Firefox, Safari) browsers,
 * and if that fails, it tries to generate ActiveXObject for (Internet Explorer) browsers.
 */
function generateAjaxInstance()
{
	var ajaxRequest = null;
	try
	{
		// Opera 8.0+, Firefox, Safari.
		ajaxRequest = new XMLHttpRequest(); // The variable that makes Ajax possible!
	}
	catch (e)
	{
		// Internet Explorer Browsers.
		try
		{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				// Something went wrong.
				alert("Your browser broke!");
				return false;
			}
		}
	}

	// Return the generated request.
	return ajaxRequest;
}

function logout ()
{
	var ajaxRequest = generateAjaxInstance();
	if (ajaxRequest == null)
	{
		return false;
	}

	ajaxRequest.onreadystatechange = function ()
	{
		if (ajaxRequest.readyState == 4)
		{
			var results = ajaxRequest.responseText;
			var tmpContainsError = extractError(results);

			if (tmpContainsError == null)
			{
				/* TODOABD : NOT USING THIS CODE ANYMORE! WILL DISCUSS ISSUES AND REMOVE IT IF NECESSARY.*/
                                /* ABOHMEID: CODE IS STILL BEING USED TO LOGOUT */
                                location.href = "index.php";
				var arr = extractMsgAndCode(results);
				if (arr[1] == 1)
				{
					document.getElementById('loginUserName').value = ''; // Delete the user name
					document.getElementById('loginPassword').value = ''; // Delete the password
				}
			}
			else
			{
				alert (tmpContainsError[0]);
			}
		}
	}
	var tmp = 'action=logout_user';

	ajaxRequest.open("POST", "action/_login_action.php", true);
	ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajaxRequest.send(tmp);
}

function destroyCookies ()
{
	var ajaxRequest = generateAjaxInstance();
	if (ajaxRequest == null)
	{
		return false;
	}

	ajaxRequest.onreadystatechange = function ()
	{
		if (ajaxRequest.readyState == 4)
		{
			var results = ajaxRequest.responseText;
		}
	}
	var tmp = 'action=destroy_cookies';

	ajaxRequest.open("POST", "action/_destroy_cookie.php", true);
	ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajaxRequest.send(tmp);
}

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

function searchQuery(searchEngine){
	var query = document.getElementById("q").value;
	switch(searchEngine)
	{
		case "google":
			window.open("http://www.google.com/search?q="+query);
		break;
		case "yahoo":
			window.open("http://search.yahoo.com/search?p="+query);
		break;
	}
}

function showHideSubMenu(subMenu)
{
	var subMenu = document.getElementById(subMenu);
	if(subMenu.style.display == 'none')
		subMenu.style.display = '';
	else
		subMenu.style.display = 'none';
}

/**
 * this function checks if the format of the phone number is valid
 * returns: true if valid, false if invalid
 */
function isValidPhoneNumber(phoneNumber)
{
	if(phoneNumber.substr(0,1) == '+')
	{
		phoneNumber = phoneNumber.substr(1,phoneNumber.length);
	}
	else if(phoneNumber.substr(0,2) == '00')
	{
		phoneNumber = phoneNumber.substr(2,phoneNumber.length);
	}
	if (!isNumeric(phoneNumber, 0))
		return false;
	else
		return true;
}

/**
 * this function checks if the format of the email is valid
 * returns: true if valid, false if invalid
 */
function isValidEmail(str){
	var at = "@";
	var dot = ".";
	var lat = str.indexOf(at);
	var lstr = str.length;
	var ldot = str.indexOf(dot);

	if (str.indexOf(at) == -1 || str.indexOf(at) == 0 || str.indexOf(at) == lstr || str.indexOf(dot)== -1 || str.indexOf(dot) == 0 || str.indexOf(dot) == lstr || str.indexOf(at,(lat+1)) != -1 || str.substring(lat-1,lat) == dot || str.substring(lat+1,lat+2) == dot || str.indexOf(dot,(lat+2)) == -1)
		return false;
	return true;
}

/**
 *  DO NOT TOUCH BEFORE CONTACTING M.K.
 * In order to trigger a simple ajax request without a form, i.e. using plain data, you need
 * to pass the data in the url in which case: Both the form and formfields parameters will be
 * ignored.
 *
 * 1.  form                = The form Object to be submitted.
 * 2.  serverAction        = The server-side action in the action page.
 * 3.  url                 = The path to the action page to submit to.
 * 4.  data                = Data to post, used ONLY if a form is not provided.
 *                           NOTE: All data, including the action, must be included in the data
 *                                field if a form is not supplied.
 * 5.  formfields          = Comma seperated IDs of fields whose values are to be retrieved
 *                           and posted from the given form to the action page.
 * 6.  buttonsToDisable    = Comma seperated IDs of buttons to disable until the AJAX
 *                           request returns from processing. Used to disallow multiple presses.
 * 7.  resultFunction      = Success result handler function.
 * 8.  errorFunction       = Failure result handler function.
 * 9.  loadingSymbolItemId = The ID of the loading animation in the page.
 * 10. async               = True for asynchronous requests/False for synchronous requests.
 */
function validateAndSubmit(form, serverAction, url, data, formfields, buttonsToDisable, resultFunction, errorFunction, loadingSymbolItemId, async)
{
	var isValid = true;
	
	if(form)
	{
		isValid = validate(form);
	}

	// Alert the user of any errors in input.
	if (!isValid)
	{
		return;
	}
	else if(!serverAction && form)
	{
		ajaxFunction(form);
	}
	else
	{
		ajaxCall(serverAction, url, data, form, formfields, buttonsToDisable, resultFunction, errorFunction, loadingSymbolItemId, async);
	}
}


function validate(form)
{
	var errorMessage = "";

	var addNewLine = 0;

	var numberOfElements = form.elements.length;
	var isRequiredStr = " is required.";
	var isNumberStr = " has to be a number.";
	var isEmailStr = " has to be a valid email.";

	// Loop over all the elements in the page.
	for (var i=0; i<numberOfElements; i++)
	{
		if (form.elements[i].getAttribute('validityType') != null)
		{ // If the element has this field, then it has to be validated.
			if (form.elements[i].getAttribute('required') == "yes") // Check if this field required.
			{
				if (form.elements[i].value == "")
				{ // Check for empty fields.
					if (addNewLine == 0)
					{ // Make sure that this is not the first message.
						errorMessage = errorMessage + form.elements[i].getAttribute('label') + isRequiredStr;
						addNewLine = 1;
					}
					else
					{ // Go to a new line if this is not the first message.
						errorMessage = errorMessage + "\n" + form.elements[i].getAttribute('label') + isRequiredStr;
					}
					continue;
				}
				else if (form.elements[i].getAttribute('validityType') == "int")
				{
					if (isNumeric(form.elements[i].value, 0) == false)
					{
						if (addNewLine == 0) {
							errorMessage = errorMessage + form.elements[i].getAttribute('label') + isNumberStr;
							addNewLine = 1;
						}
						else
						{
							errorMessage = errorMessage + "\n" + form.elements[i].getAttribute('label') + isNumberStr;
						}
						continue;
					}
				}
				else if (form.elements[i].getAttribute('validityType') == "dec")
				{
					if (isNumeric(form.elements[i].value, 1) == false)
					{
						if (addNewLine == 0)
						{
							errorMessage = errorMessage + form.elements[i].getAttribute('label') + isNumberStr;
							addNewLine = 1;
						}
						else
						{
							errorMessage = errorMessage + "\n" + form.elements[i].getAttribute('label') + isNumberStr;
						}
						continue;
					}
				}
				else if (form.elements[i].getAttribute('validityType') == "combo")
				{
					if (form.elements[i].value == "-1") // 0 is the first choice in the combo box. It represents "Please select...".
					{
						if (addNewLine == 0)
						{
							errorMessage = errorMessage + form.elements[i].getAttribute('label') + isRequiredStr;
							addNewLine = 1;
						}
						else
						{
							errorMessage = errorMessage + "\n" + form.elements[i].getAttribute('label')  + isRequiredStr;
						}
						continue;
					}
				}
				else if ( form.elements[i].getAttribute('validityType') == "email")
				{
					if (!isValidEmail(form.elements[i].value)){

						if (addNewLine == 0)
						{
							errorMessage = errorMessage + form.elements[i].getAttribute('label') + isEmailStr;
							addNewLine = 1;
						}
						else
						{
							errorMessage = errorMessage + "\n" + form.elements[i].getAttribute('label') + isEmailStr;
						}
						continue;
					 }
				}
			}
		}
	}

	
	// Alert the user of any errors in input.
	if (errorMessage != "")
	{
		alert (errorMessage);
		return false;
	}
	else
	{
		return true;
	}
}