Hack "Search This Forum (OnMouseOver)" v1.0.0 for vb 3.6.x
by kerk (http://vbulletin.net.ru)
===========================
Tested on default skin!

Install:
===========================

Step 1. Import product product-kr_forumhome_search_menu_eng.xml

Step 2. Upload icon krsearch.gif to folder (forumroot/images/buttons/)

Step 3. Styles & Templates => in "Additional CSS Definitions" add:
===========================
/* Search OnMouseOver */
.krbutton { 
background: #FFFFFF;
border: 1px solid #316AC5;
border-left: 0px;
font: 9px verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif;
color: #316AC5; 
}
.krinputop { 
background: #FFFFFF;
border: 1px solid #316AC5;
border-right: 0px;
font: 10px verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif;
}
.krinputie { 
background: #FFFFFF;
border: 1px solid #316AC5;
border-right: 0px;
font: 11px verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif;
} 
---------------------------
Or your CSS settings for input and button
.krinputie - IE
.krinputop - Opera
===========================

1 var. You have to click on icon to make the search popup to appear 

Step 4. In Template forumhome_forumbit_level2_post find:
===========================
    <td class="alt1Active" align="$stylevar[left]" id="f$forum[forumid]">
        <div>
===========================
Add below:
===========================
<if condition="$show[kr_fhsearch] && $vboptions[enablesearches]">
<a id="search_$forum[forumid]" style="float:right;"><img src="$stylevar[imgdir_button]/krsearch.gif" alt="Search in forum &quot;$forum[title]&quot;" border="0" /><script type="text/javascript"> vbmenu_register("search_$forum[forumid]", true); </script></a>
<div class="vbmenu_popup" id="search_$forum[forumid]_menu" style="display:none;">
<table cellpadding="4" cellspacing="1" border="0">
<tr><td class="alt1">
<form name="search_form" action="search.php?do=process" method="post">
<input type="hidden" name="s" value="$session[sessionhash]" />
<input type="hidden" name="do" value="process" />
<input type="hidden" name="forumchoice[]" value="$forumid" />
<input type="hidden" name="childforums" value="1" />
<input id="$forumid" align="right" value="search..." onfocus="if (this.value == 'search...') this.value = ''" onkeydown="if (event.keyCode==13) with (document.search_form){ search_form.value=this.value; if (onsubmit) onsubmit(); submit(); return event.returnValue=false;}" type="text" title="Search in forum &quot;$forum[title]&quot;" class="<if condition="is_browser(ie)">krinputie<else />krinputop</if>" name="query" size="15" /><input type="submit" class="krbutton" value=">>" title="Search in forum &quot;$forum[title]&quot;" />
</form>
</td></tr>
</table>
</div>
</if>
===========================

OR 2 var. OnMouseOver

Ignore Step 4 this install instruction, and:
4. In Template forumhome_forumbit_level2_post find: 
===========================
    <td class="alt1Active" align="$stylevar[left]" id="f$forum[forumid]">
        <div>
===========================
Replace whith:
===========================
    <td class="alt1Active" align="$stylevar[left]" id="f$forum[forumid]" <if condition="$show[kr_fhsearch] && $vboptions['enablesearches']">onmouseover="javascript:showhide('$forumid', 0, 1);" onmouseout="javascript:showhide('$forumid', 1, 0);"</if>>
        <div> 
<if condition="$show[kr_fhsearch] && $vboptions['enablesearches']">
<div id="$forumid" style="float:right; display: none;">
<form name="search_form" action="search.php?do=process" method="post">
<input type="hidden" name="s" value="$session[sessionhash]" />
<input type="hidden" name="do" value="process" />
<input type="hidden" name="forumchoice[]" value="$forumid" />
<input type="hidden" name="childforums" value="1" />
<input id="$forumid" align="right" value="search..." onfocus="if (this.value == 'search...') this.value = ''" onkeydown="if (event.keyCode==13) with (document.search_form){ search_form.value=this.value; if (onsubmit) onsubmit(); submit(); return event.returnValue=false;}" type="text" title="Search in forum &quot;$forum[title]&quot;" class="<if condition="is_browser(ie)">krinputie<else />krinputop</if>" name="query" size="15" /><input type="submit" class="krbutton" value=">>" title="Search in forum &quot;$forum[title]&quot;" />
</form></div>
</if>
===========================
5. In Template headinclude at the buttom add:
===========================

<if condition="$vboptions['enablesearches']">
<script type="text/javascript">
<!--
function showhide(id, hidden, inline)
{
    document.getElementById(id).style.display = (hidden == true ? "none" : "inline");
}
// -->
</script>
</if>                     

==========================
Ja esta pronto ......
