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    Hello,
here is DROP DOWN MENU for all :)

See in action 
hereSee demo vertical 
hereSee demo horizontal 
hereMake menu is very easy :)
Only 6 step
1.Inside head your html.theme copy this:
 <link rel="stylesheet" href="css/MenuMatic.css" type="text/css" media="all" /> 
<script type="text/javascript" src="http://www.google.com/jsapi" >script>    
<script type="text/javascript" > google.load("mootools", "1.2.1"); script>   
<script type="text/javascript" src="js/MenuMatic_0.68.3.js" >script>  
 2.Make new USER BLOCK and copy inside this:
 <script type="text/javascript"> 
window.addEvent('domready', function() {             
    var myMenu = new MenuMatic({ 
        id:"nav", 
        effect:"slide & fade", 
        duration:500, 
        hideDelay:500, 
        orientation:"horizontal", 
        tweakInitial:{x:-30,y:3}, 
        opacity:95 
    }); 
}); 
script>  
<ul id="nav"> 
    <li><a href='#'>Link 1a>li> 
    <li> 
        <a href='#'>Link 2a> 
        <ul> 
            <li><a href='#'>Link 2.1a>li> 
            <li><a href='#'>Link 2.2a>li> 
            <li><a href='#'>Link 2.3a>li> 
            <li> 
                <a href='#'>Link 2.4a> 
                <ul> 
                    <a href='#'>Link 2.4.1a> 
                    <a href='#'>Link 2.4.2a> 
                    <a href='#'>Link 2.4.3a> 
                ul> 
            li> 
            <li><a href='#'>Link 2.5a>li> 
        ul> 
    li> 
    <li><a href='#'>Link 3a>li> 
    <li><a href='#'>Link 4a>li> 
    <li><a href='#'>Link 5a>li> 
    <li><a href='#'>Link 6a>li> 
    <li> 
        <a href='#'>Link 7a> 
        <ul> 
            <li><a href='#'>Link 7.1a>li> 
            <li><a href='#'>Link 7.2a>li> 
        ul> 
    li> 
ul>  
3.Now replace # - modules/news/ or another module
Link 1....7 is your link name (Home, News....)
var myMenu = new MenuMatic - myMenu u can replace to your name (menuPrincipal)
Dont forget change id:"nav" and id="nav" to your menuname (menuPrincipal)
4. Download 
MenuMatic5. Unzip this and folders: css, img and js from vertical or horizontal folder copy to your root...
6. Go to ..root/css/Open MenuMatic.css and repair color as u like
Thats all :)
Sorry for my bad english