function addOpenSearch(openSearchDescriptorURL)		
{		
  if ((typeof window.external == "object") && ((typeof window.external.AddSearchProvider == "unknown") || (typeof window.external.AddSearchProvider == "function"))) {		
      window.external.AddSearchProvider(openSearchDescriptorURL);		
  } else {		
    alert("You will need a browser which supports OpenSearch to install this plugin (Mozilla 2.x or IE7+).");		
  }	
}