http://www.w3schools.com/js/js_ex_dom.asp
http://www.w3schools.com/jsref/coll_doc_forms.asp
http://www.howtocreate.co.uk/tutorials/javascript/domstructure
http://bytes.com/topic/javascript/answers/88812-document-forms-0-struts-tags
http://www.quirksmode.org/js/forms.html
https://developer.mozilla.org/en/DOM/element.getElementsByTagName
http://stackoverflow.com/questions/1087142/javascript-get-childs-text-value
