function checkForm()
{
	var fname=document.forms["contactForm"]["CustomFields[2]"].value
	var lname=document.forms["contactForm"]["CustomFields[3]"].value
	var email=document.forms["contactForm"]["email"].value
	var phone=document.forms["contactForm"]["CustomFields[4]"].value
	
	var regex = /^([a-zA-Z0-9])([a-zA-Z0-9\._-])*@(([a-zA-Z0-9])+(\.))+([a-zA-Z]{2,4})+$/ ;
	
	if (fname=="")
	{
		alert("Please fill in your first name");
		return false;
	}
	if (lname=="")
	{
		alert("Please fill in your last name");
		return false;
	}
	else if (email=="")
	{
		alert("Please fill in your email address");
		return false;
	}
	else if(email.search(regex)==-1)
	{
		alert ("Please enter a VALID email address");
		return false;
	}
	else if (phone=="")
	{
		alert("Please fill in your phone number");
		return false;
	}
	return true;
}