function fnProceedMembershipRenewal()

{   

    document.forms.RenewForm.action = "MembershipRenewal.php";

    if( fnValidateFormInput() )

        { document.forms.RenewForm.submit(); }

}



function fnValidateFormInput() 

{

    if (document.forms.RenewForm.elements['FirstName'].value.length == 0) 

    {

        alert('Please enter the required information for the "FirstName" field');

        return false;

    }

    if (document.forms.RenewForm.elements['LastName'].value.length == 0) 

    {

        alert('Please enter the required information for the "LastName" field');

        return false;

    }

    if (document.forms.RenewForm.elements['Email'].value.length == 0) 

    {

        alert('Please enter the required information for the "Primary Email" field');

        return false;

    }

    return true;

}