function blockEvents() {
	var deadend;
	opener.captureEvents(Event.CLICK, Event.MOUSEDOWN, Event.MOUSEUP, Event.FOCUS);
	opener.onclick = deadend;
	opener.onmousedown = deadend;
	opener.onmouseup = deadend;
	opener.focus = deadend;
}

function unblockEvents() {
	opener.releaseEvents(Event.CLICK, Event.MOUSEDOWN, Event.MOUSEUP, Event.FOCUS);
	opener.onclick = null;
	opener.mousedown = null;
	opener.mouseup = null;
	opener.onfocus = null;
}

function finished() {
	setTimeout("close()", 1000);
}

function installNsPlugin(pluginUrl, registryName, pluginVersion) {
	if (InstallTrigger.enabled()) {
		var existingVersion = InstallTrigger.getVersion(registryName);

		if (!existingVersion || existingVersion != pluginVersion) {

			xpi = {'ActiveX Print Control':pluginUrl};
			InstallTrigger.install(xpi, callback);
		}
	}
}

function callback(url, status) {
	if (status) {
		alert("Installation of the ActiveX Print Control failed.  Error code: " + status);
	}
}

function checkModal(dlgWindow) {
	if (dlgWindow && !dlgWindow.closed)
	dlgWindow.focus();
}