a.prop {
	display: block;
	background-image: url(nav/m_prop_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 71px;
}
a.prop:hover{
	background:url('nav/m_prop_x.gif');
	visibility: visible;
}
a.prop:hover img { visibility: hidden } 

a.aide {
	display: block;
	background-image: url(nav/m_aide_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 120px;
} 
a.aide:hover{
	background:url('nav/m_aide_x.gif');
	visibility: visible;
} 
a.aide:hover img { visibility: hidden } 

a.cout {
	display: block;
	background-image: url('nav/m_cout_x.gif');
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 104px;
} 
a.cout:hover {
	background:url('nav/m_cout_x.gif');
	visibility: visible;
}  
a.cout:hover img { visibility: hidden }



a.acti {
	display: block;
	background-image: url(nav/m_acti_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 117px;
} 
a.acti:hover {
	background:url('nav/m_acti_x.gif');
	visibility: visible;
}  
a.acti:hover img { visibility: hidden }

a.don {
	display: block;
	background-image: url(nav/m_don_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 108px;
} 
a.don:hover {
	background:url('nav/m_don_x.gif');
	visibility: visible;
}  
a.don:hover img { visibility: hidden }

a.nouv {
	display: block;
	background-image: url(nav/m_nouv_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 79px;
} 
a.nouv:hover {
	background:url('nav/m_nouv_x.gif');
	visibility: visible;
}  
a.nouv:hover img { visibility: hidden }

a.cont {
	display: block;
	background-image: url(nav/m_cont_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 71px;
} 
a.cont:hover {
	background:url('nav/m_cont_x.gif');
	visibility: visible;
}  
a.cont:hover img { visibility: hidden }

a.lang {
	display: block;
	background-image: url(nav/m_lang_x.gif);
	background-repeat: no-repeat;
	background-attachment: fixed;
	height: 53px;
	width: 65px;
} 
a.lang:hover {
	background:url('nav/m_lang_x.gif');
	visibility: visible;
}  
a.lang:hover img { visibility: hidden }