link field does not validate http:// I have link CCK field but the field does not validate &quot;HTTP://&quot; like this

how I can make the validate &quot;HTTP://&quot; for this field
In drupal 7, go to your content type in:  

/admin/structure/types/manage/yourcontentype/fields/

Edit your field and check if it is validating your URL. I have attached a picture for better explanation.