Arnaud Le Hors; Johnny Stenback; Philippe Le H&#233;garet. <a href="http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109"><cite>Document Object Model (DOM) Level 2 HTML Specification.</cite></a> 9 January 2003. W3C Recommendation. URL: <a href="http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109">http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109</a>