var objWin;

function openNewWindow(theURL, winName, winFeature) {
	if (objWin != null && objWin.closed)
		objWin = null;

	if (objWin == null || objWin.closed)
		objWin = window.open(theURL, winName, winFeature);
	else
		objWin.location.href = theURL;

	objWin.focus();
}