How to write Formula  based on date of birth implemented in workflow to send birthday wishes through email

How to write Formula  based on date of birth implemented in workflow to send birthday wishes through email

Hi All i have made all the necessary modification to change to Gmap3 but m not google map is Coming Blank

 <script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAsa7Q4gy5pzrZzsGkUxhRauOw12gtk9CA&sensor=false"></script>
    <script type="text/javascript" src="{!URLFOR($Resource.GMAP3,'GMAP3/jquery-1.4.4.min.js')}"></script>
    <script type="text/javascript" src="{!URLFOR($Resource.GMAP3,'GMAP3/gmap3.js')}"></script>    
    <style>     
      #googleMap{
        border: 1px solid #000;
        width: {!width};
        height: {!height};

Hi,

Can any one plz tell me the differences between DataLoader and Import wizard?