function OuvreLien()
{
var y=(screen.Height-250)/2;
var x=(screen.Width-400)/2;
Fenetre = window.open("pagelien.htm","xx","height=350,width=400,resizable=yes,screenX="+x+",left="+x+",screenY="+y+",top="+y);
f=Fenetre.document;
Fenetre.focus();
f.title="Katy Serra";
}