<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/ajax-and-design/300315-image-pop-up-javascript-css.html?s=8d5c6f24031b728df63c47fccb56d4b5>