function setMenuButton(div_name){
    var hid_div = 'hidden_' + div_name;
    var img = 'img_' + div_name ;
    var hid_img = 'hidden_img_' + div_name;

    $(img).addEvents({
          'mouseover':   function(e){ 
                            resetAllMenus(hid_div);
                           // $(hid_div).set('morph', {duration: 'short'});          
                            $(hid_div).morph({'opacity':0.6});  
                       }
          
          })       
    $(hid_img).addEvents({
          'mouseout':   function(e){
                    //$(hid_div).set('morph', {duration: 'short'});              
                    $(hid_div).morph({'opacity':0});  
              }
          })
    
        $(hid_div).morph({'opacity':0});
    
}

function checkMousePosition(){
    $('header').addEvent('mousemove', function(e){
        if(e.page.y < 60 || e.page.y > 80){
            resetAllMenus();
        }
    })
}

function resetAllMenus(but_not_this_active_div){
        var puls = $$('.js_id');
        for(var i = 0; i < puls.length; i++){
            if(puls[i].id == but_not_this_active_div){
                continue;
            }
                
            var hid_div = 'hidden_' + puls[i].id; 
            if( $(hid_div).getStyle('opacity') > 0.5){
                $(hid_div).morph({'opacity':0});                  
            }
        }
}


window.addEvent('domready', function(){   
    var puls = $$('.js_id');
    for(var i = 0; i < puls.length; i++){
        setMenuButton(puls[i].id);
    }
    checkMousePosition();
});