var Win = null;

function UltrasportWindow(OpenPage) {
CloseNewWindow();

Largeur=900;
Hauteur=650;

if ((window.screen.availWidth) < 1020) { Largeur=700; }
if ((window.screen.availHeight) < 700) { Hauteur=475; }

LeftPosition=((window.screen.availWidth)-Largeur)/2;
TopPosition=((window.screen.availHeight)-Hauteur)/2;

PageName="popup";
PageSettings='width=' + Largeur + ',height=' + Hauteur + ',top=' + TopPosition + ',left=' + LeftPosition + ',scrollbars=yes,location=no,directories=no,status=yes,menubar=no,toolbar=no,resizable=yes';


Win = window.open('Popup.aspx?Page='+OpenPage,PageName,PageSettings);

}

function CloseNewWindow() {
	if (Win != null) {Win.close();}
	return true;
}