function OuvreFenetre(oPage,oLargeur,oHauteur,options){
	var top=(screen.height-oHauteur)/2;
	var left=(screen.width-oLargeur)/2;
	window.open(oPage,"","top="+top+",left="+left+",width="+oLargeur+",height="+oHauteur+","+options);
}