<!--

function popupcentree(page,nom,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
pop=window.open(page,"popup","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
pop.resizeTo (largeur,hauteur);
pop.moveTo(left,top);
pop.focus();
}
// -->