function PopupCentree(page,largeur,hauteur,option,DecalageX,Target) {
	if (DecalageX==undefined || DecalageX==""){DecalageX=0}
	if (Target==undefined || Target==""){Target="";}
	var top=(screen.height-hauteur)/2;
	var left=((screen.width-largeur)/2)+DecalageX;     
	window.open(page,Target,"top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+option);
}