function prepareMapquestWindow() {
	var AppWindow
	if (!AppWindow || AppWindow.closed) {
		 AppWindow = window.open("about:blank",
			"MapquestWindow",
			"width=720,height=650,menubar=1,toolbar=0,location=0,resizable=1,scrollbars=1,titlebar=no");
		AppWindow.focus();
	 } else {
		AppWindow.focus()
	 }
	 return true;
}