html code to add google engine search to the site

Please tell me how could I personalizate the search by editing this code [url]http://www.google.com/intl/ro_TOT/searchcode.html[/url] , i whant the search make only on cartain sites. Like I join the google site and made next search: software site: [url]www.softpedia.com[/url] | site:[url]www.downlaod.com[/url] | site:[url]www.google.com[/url]

<!– Search Google –>
<center>
<FORM method=GET action=”http://www.google.com/search“>
<TABLE bgcolor=”#FFFFFF”><tr><td>
<A HREF=” http://www.google.com/“>
<IMG SRC=”http://www.google.com/logos/Logo_40wht.gif” border=”0″ ALT=”Google” align=”absmiddle”></A>
<INPUT TYPE=text name=q size=31 maxlength=255 value=””>
<INPUT TYPE=hidden name=hl value=”en”>
<INPUT type=submit name=btnG VALUE=”Google Search”>
</td></tr></TABLE>
</FORM>
</center>
<!– Search Google –>

Thank You Very Much !

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