function popup(url, name, width, height) {
	return window.open(url,name,'width='+width+',height='+height+',location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes');
}

// open the link in the opener window
function refreshOpener() {
	if (window.opener) {
		window.opener.document.location.reload();
	}
}

// open the link in the opener window
function showLinkInOpener(href, new_window) {
	if (window.opener) {
		window.opener.document.location = href;
		window.opener.focus();
		window.close();
	} else {
		// opener don't exist, open link in new window
		if (new_window) {
			window.open(href, 'parent');
		} else {
			window.location = href;
		}
	}
}