function openSubWin(sURL) {
	x = (screen.availWidth - 800) / 2;
	y = (screen.availHeight - 600) / 2;
	winOptions = "width=800,height=600,left=" + x + ",top=" + y +
					",scrollbars=yes, resizable=yes";
	window.open(sURL, "",  winOptions);
}

function openSubWinEx(sURL) {
	x = (screen.availWidth - 760) / 2;
	y = (screen.availHeight - 800) / 2;
	winOptions = "width=760,height=800,left=" + x + ",top=" + y +
					",scrollbars=yes, resizable=yes";
	window.open(sURL, "",  winOptions);
}