function openImage(photoId,photoGroup){
	var winl = ((screen.width) / 2) - 400;
	var wint = ((screen.height) / 2) - 300;

	windowName = "pictureWindow";
	windowURL = "pictureWindow.asp?photoId=" + photoId + "&photoGroup=" + photoGroup;
	myWindow = window.open(windowURL, windowName,'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=800, height=600,top='+wint+',left='+winl+'');
	myWindow.focus();
}

function closeImage(){
	window.close();
}