function ShowPopup(url) { 
	var PopupWidth  = screen.availWidth;
	var PopupHeight = screen.availHeight;
	var PopupLeft   = Math.floor((screen.availWidth / 2) - PopupWidth / 2);
	var PopupTop    = Math.floor((screen.availHeight / 2) - PopupHeight / 2);

	popup = window.open(
		'',
		'BeexPopup',
		'fullscreen=0, toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, width=' + PopupWidth + ', height=' + PopupHeight + ', top=' + PopupTop + ', left=' + PopupLeft
	);
	popup.blur();
	popup.resizeTo(PopupWidth,PopupHeight);
	popup.moveTo(PopupLeft,PopupTop);
	popup.location = url;
}