text: var toggle = false;
  chrome.browserAction.onClicked.addListener(function (tab) {
  	toggle = !toggle;
      	chrome.tabs.sendMessage(tab.id, {
          	identificador: toggle
      	});
    	if(toggle){
    		chrome.browserAction.setIcon({path: "icon_active.png", tabId:tab.id});
      } else {
      	chrome.browserAction.setIcon({path: "icon.png", tabId:tab.id});
      }
  });
  
  