Script Membuat Pencarin From multy type option

/* Script By Uchlim */
/* http://uchlim.pun.bz */
<!--javascript form-->
<script type="text/javascript">function dosearch() {var sf=document.searchform;var submitto = sf.sengines.options[sf.sengines.selectedIndex].value +escape(sf.searchterms.value); window.location.href = submitto;return false;}</script>

<!--Script Html form-->

<div class="clip"><table cellspacing="1" cellpadding="0" cellmargin="0"width="100%"><tr><td width="80%"><form name="searchform"onSubmit="return dosearch();"><input name="searchterms"type="text"style="width:99%;"></td><td width="20%"valign="top"style="text-align:right"><input name="SearchSubmit"type="submit" value="Search"style="100%"></td></tr></table><select name="sengines"style="width:100%;"><option selected="selected"value="http://www.google.com/search?q=">Google</option><option value="http://search.yahoo.com/search?p=">Yahoo!</option><option value="http://www.altavista.com/web/results?q=">Alta Vista</option><option value="http://www.dogpile.com/info.dogpl/search/web/">Dogpile</option><option value="http://www.bing.com/search?q=">Bing</option></select></from></div>