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

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

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

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

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

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

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

#waves
{display: block; width: 170px; height: 100px; background: url("images/waves.gif") no-repeat 0 0;}
#waves:hover
{background: url("images/waves.gif") no-repeat 0 0;}