function cacher(tr){
var isIE= navigator.appName == "Microsoft Internet Explorer" ; /* IE */
var isNS= navigator.appName == "Netscape" ; /* Netscape, Mozilla Firefox */
if(isIE)
window.document.getElementById(tr).style.display='none';
else
window.document.getElementById(tr).style.display='none';
}
function montrer(tr){
var isIE= navigator.appName == "Microsoft Internet Explorer" ; /* IE */
var isNS= navigator.appName == "Netscape" ; /* Netscape, Mozilla Firefox */
var affiche;
if(isIE)
affiche = 'block';
else
affiche = 'table-row';
//var table = Array("troceanie", "trindien", "trorient", "trmediterannee", "treurnord", "trcaraibes", "trasie", "tramerique","trafrique");
for(var i = 1 ; i<10 ; i++){
if(tr != "region"+i)
window.document.getElementById('region'+i).style.display="none";
else
window.document.getElementById('region'+i).style.display=affiche;
}
}
function PopupImage(img) {
titre="Agrandissement";
w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=no');
w.document.write(""+titre+"");
w.document.write("