tac=Math.round(screen.width*18/1280);
tap=Math.min(Math.floor(screen.width/256)-1, 4);
document.writeln('<style type=text/css><!--');
document.writeln('body {font-size:'+tac+'px;}');
document.writeln('.fd {background-image: url(fond'+tap+'.gif);}');
document.writeln('div a {background-image: url(puce'+tap+'.gif);}');
document.writeln('div a:hover {background-image: url(puce'+tap+'h.gif);}');
document.writeln('--></style>');
document.writeln('<link rel="stylesheet" href="'+nv+'.css" type="text/css">');