.ct {
	background-image: url(../images/bkgCahierTechnique.gif);
}
#bt_h1{
	background-image: url(../images/bt_design.gif);
}
#bt_h2{
	background-image: url(../images/bt_diagc.gif);
}
#bt_h3{
	background-image: url(../images/bt_doc.gif);
}
#menugauche #moteurderecherche dd form{
	background-image: url(../images/fond_recherche.gif);
}
#menugauche #news dd div.fond{
background-image: url(../images/fond_news.png);
_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src='images/fond_news.png',sizingMethod='image');
}
#menugauche #newsletter dd{
background-image: url(../images/bt_newsletter.gif);
}