Something

<?php
// Google Search Script for mBot
// Version 1.0
// for MBot latest
// (c) 2004
// GPL Licence
function mbot_load()
{
	mb_SelfRegister(MB_EVENT_MSG_OUT,1);
}
function mbe_MsgOut($cid,$body)
{
	if(substr($body,0,3) == "!g "){
		$srchstr = substr($body,3);
		$srchstr = str_replace(" +","+%2B", $srchstr);
		$srchstr = str_replace(" ","+", $srchstr);
		$cname = mb_CGetDisplayName($cid);
		mb_MsgSetBody("http://www.google.com/search?site=search.pl&hl=en&q=$srchstr&btnG=Search");
		return "send";
        }elseif(substr($body,0,6) == "!hdb "){
		$srchstr = substr($body,6);
                $srchstr = str_replace(" +","+%2B", $srchstr);
		$srchstr = str_replace(" ","+", $srchstr);
		$cname = mb_CGetDisplayName($cid);
		mb_MsgSetBody("http://hdbits.org/browse.php?isearch=$srchstr");
		return "send";
	}elseif(substr($body,0,6) == "!wiki "){
		$srchstr = substr($body,6);
                $srchstr = str_replace(" +","_", $srchstr);
		$srchstr = str_replace(" ","+", $srchstr);
		$cname = mb_CGetDisplayName($cid);
		mb_MsgSetBody("http://www.wikipedia.com/wiki/$srchstr");
		return "send";
	}elseif(substr($body,0,6) == "!waff "){
		$srchstr = substr($body,6);
                $srchstr = str_replace(" +","+%2B", $srchstr);
		$srchstr = str_replace(" ","+", $srchstr);
		$cname = mb_CGetDisplayName($cid);
		mb_MsgSetBody("http://www.hdbits.org/browse.php?search=$srchstr");
		return "send";

	}
}

?>