// JavaScript Document
function popupcentree(page,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}
function ouvrirPop(lien) 
{
var top=(screen.height-500)/2;
var left=(screen.width-650)/2;
window.open(lien,'','top='+top+',left='+left+',width=650,height=500,menubar=no,scrollbars=yes,statusbar=no'); 
return false; 
}