Dynamic Link Example
Potential solution to http://stackoverflow.com/questions/6192517/how-to-use-an-input-field-as-query-parameter-to-a-destination/6192614#6192614
by briguy37
HTML
<input id="textbox" value="" size="25" />
<a class="button" href="willBeChanged"
onclick="this.href='http://www.google.com/search?q=' + encodeURIComponent(document.getElementById('textbox').value);">
<span>Search</span>
</a>