function ouvrirf(titre,url,largeur, hauteur)
{
var largeur = largeur;
var hauteur = hauteur;
var top;
var left;
if(hauteur <= 480)
{
if (largeur <= 640)
{
top=(screen.height-hauteur)/2;
left=(screen.width-largeur)/2;
Window2=open("","","scrollbars=no,top="+top+",left="+left+",width="+largeur+",height="+hauteur+",status=no,menubar=no,location=no,dependent=yes,resizable=no");
}
else
{
top=(screen.height-480)/2;
left=(screen.width-640)/2;
Window2=open("","","scrollbars=yes,top="+top+",left="+left+",width=640,height=480,status=no,menubar=no,location=no,dependent=yes,resizable=yes");
}
}
else
{
top=(screen.height-480)/2;
left=(screen.width-640)/2;
Window2=open("","","scrollbars=yes,top="+top+",left="+left+",width=640,height=480,status=no,menubar=no,location=no,dependent=yes,resizable=yes");
}
Window2.document.write(""+titre+"
")
}