function checkEmail(field1,field2)
{	
	var value1 = field1.value;
	var value2 = field2.value;
	
	if(validateEmail(value1) == false)
	{
		alert('Please enter a valid email address.');
		return false;
	}
	
	if (value1 != value2)
		{
			alert('Email address do not match, please reenter');
			return false;
		} else {
			return true;
		}

}


function validateEmail(email)
{
	var isValid = false;
	if(email.length > 4)
	{
		var intAt = email.indexOf("@");
	
		if(intAt > 0)
		{
			var intDot = email.indexOf(".", intAt);
			if(intDot > (intAt + 1) && email.length > (intDot + 1))
			{
				isValid = true;
			}
			
		}
	}
	return isValid;

}

function checkField(field, fieldName)
{
	if(field.value == "")
	{
	    alert(fieldName + " is a required field.  Please fill it in.")
	    return false;
	}
	else
	{
		return true;
	}
}