#vs_fr
{display: block; width: 170px;height: 20px;background: url("images/menu_button_vs_fr.gif") no-repeat 0 0;}
#vs_fr:hover
{background-position: 0 -20px;}
#vs_fr span
{display: none;}

#welcome_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_welcome_en.gif") no-repeat 0 0;}
#welcome_en:hover
{background-position: 0 -15px;}
#welcome_en span
{display: none;}

#about_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_about_en.gif") no-repeat 0 0;}
#about_en
{background-position: 0 -15px;}
#about_en span
{display: none;}
#about_en:hover
{background-position: 0 -15px;}
#about_en span
{display: none;}

#contact_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_contact_en.gif") no-repeat 0 0;}
#contact_en:hover
{background-position: 0 -15px;}
#contact_en span
{display: none;}

#products_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_products_en.gif") no-repeat 0 0;}
#products_en:hover
{background-position: 0 -15px;}
#products_en span
{display: none;}

#services
{display: block; width: 170px;height: 15px;background: url("images/menu_button_services.gif") no-repeat 0 0;}
#services:hover
{background-position: 0 -15px;}
#services span
{display: none;}

#projects_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_projects_en.gif") no-repeat 0 0;}
#projects_en:hover
{background-position: 0 -15px;}
#projects_en span
{display: none;}

#knowledge_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_knowledge_en.gif") no-repeat 0 0;}
#knowledge_en:hover
{background-position: 0 -15px;}
#knowledge_en span
{display: none;}

#map_en
{display: block; width: 170px;height: 15px;background: url("images/menu_button_map_en.gif") no-repeat 0 0;}
#map_en:hover
{background-position: 0 -20px;}
#map_en span
{display: none;}

#logo_orion_small
{display: block; width: 170px; height: 195px; background: url("images/logo_orion_small.gif") no-repeat 0 0;}
#logo_orion_small:hover
{background: url("images/logo_orion_small.gif") no-repeat 0 0;}