// JavaScript Document
/* August 05, 2009
	This javascript is used to validate the contact us form in adec preview
*/

var validationSuccess;

function doContactUsValidation()
{
	var fullName,email,phone,comments;
	
	firstName=document.getElementById("first_name").value;
	lastName=document.getElementById("last_name").value;
	email=document.getElementById("email").value;
	phone=document.getElementById("phone").value;	
	comments=document.getElementById("comments").value;
	
	validationSuccess = true;
	
	emailVal = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
	if(firstName=="")
	{
		displayValidationMessage("First Name field is blank.");
		document.getElementById("first_name").focus();
	}
	
	else if(lastName=="")
	{
		displayValidationMessage("Last Name field is blank.");
		document.getElementById("last_name").focus();
	}
	
	else if(email=="")
	{
		displayValidationMessage("Email Address field is blank.");
		document.getElementById("email").focus();
	}
	
	else if(!emailVal.test(email))
	{
		displayValidationMessage("Email Address is not a valid format.");
		document.getElementById("email").focus();
	}
	
	else if(phone=="")
	{
		displayValidationMessage("Phone field is blank.");
		document.getElementById("phone").focus();
	}
	
	else if (comments=="") {
		displayValidationMessage("Enquiry field is blank.");
		document.getElementById('comments').focus();
	}	

	return validationSuccess;

}

function displayValidationMessage(msg){
	alert(msg);
	validationSuccess = false;
}

function changeYear() {
	var year;
	year = document.getElementById("year").value;
	if(year == "----") {
	}
	else if(year == 2010) {		 
		location.href = "newsletters_2010.php";
	}
	else if(year == 2009) {		 
		location.href = "newsletters_2009.php";
	}
	else if(year == 2008) {		 
		location.href = "newsletters_2008.php";
	}
	else if(year == 2007){
		location.href = "newsletters_2007.php";
	}
	else if(year == 2006){
		location.href = "newsletters_2006.php";
	}
	else if(year == 2005){
		location.href = "newsletters_2005.php";
	}
	else if(year == 2004){
		location.href = "newsletters_2004.php";		
	}
	else if(year == 2003){
		location.href = "newsletters_2003.php";
	}
	else {
		location.href = "newsletters_2009.php";
	}
}