function launchWindow(url,w,h){
	winName = "_new"
	if (!h)popHeight = screen.availHeight - 100;
	else popHeight = h;
	winParams = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=' + w + ',height=' + popHeight;
	newwin = window.open(url, winName, winParams);
	newwin.focus();
}