How to add invisible tags to google search -

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i have drop down menu , google search box next embedded on web page. , want such thing: when user searches on google search, selected keyword drop down menu should applied automatically

this code have right now

<form method=get action="http://www.google.com/search">  <input type=hidden name=ie value=utf-8> <input type=hidden name=oe value=utf-8> <table bgcolor="#ffffff"><tr><td> <select name = "type">     <option value=""> choose type </option>     <option value="bitmap">bitmap</option>     <option value="vector">vector</option>  </select> <input type=text name=q size=25 maxlength=255 value="">  <input type=submit name=btng value="search">  </td></tr></table>

with javascript. i'd recommend learning javascript , using library such jquery simplify javascript coding.

in particular case, you'd need capture form's submit event , alter value of q input field , let event go through.


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