function resize(large,haut){

if (!document.all&&!document.layers)
return
sw=screen.width
sh=screen.height
w=(sw>large)?large:sw
h=(sh>haut)?haut:sh
posx=(sw>large)?(sw-large)/2:0
posy=(sh>haut)?(sh-haut)/2:0
//alert("posx="+posx+" posy="+posy+" w="+w+" h="+h)
window.resizeTo(w,h)
window.moveTo(posx,posy)
}