function f_afficher_message_centre(strURL)
{
	var intWidth = 600;
	var intHeight = 200;
	var intLeft;
	var intTop;
	intLeft = (screen.availWidth - intWidth) / 2;
	intTop =  (screen.availHeight - intHeight) / 2;
	var strParam = "width=" + intWidth + ",height=" + intHeight + ",left=" + intLeft + ",top=" + intTop;
	strParam += ",resizable=yes,scrollbars=yes";

	window.open(strURL,"_blank",strParam);
}