tac=Math.round(screen.width*18/1280);
document.writeln('<style type=text/css><!--');
document.writeln('body, div, p, h1, h2, h3, li, span, ul, a {font-family:arial;font-size:'+tac+'px;}');
document.writeln('--></style>');

his=new Array();
nh=0;
his[0]="bearn";
function vu(val) {
hi=location.href;
li=val.hash.replace("#","");
nh=nh+1;
his[nh]=li;
n = document.getElementsByTagName('div');
for (i=0 ; i<n.length;i++) {
if (n[i].className=='droite') {
document.getElementsByTagName('div')[i].style.visibility='hidden';
}
}
document.getElementById(li).style.visibility='visible';
hto=hi.split("#");
htop=hto[0]+"#haut"
location.href=htop;
}

function ba() {
if (nh>0) {
nh=nh-1;
n = document.getElementsByTagName('div');
for (i=0 ; i<n.length;i++) {
if (n[i].className=='droite') {
document.getElementsByTagName('div')[i].style.visibility='hidden';
}
}
document.getElementById(his[nh]).style.visibility='visible';
}
}

function err(im){
im.style.display='none';
}