trigger google push event

push.js

function trackLink(category, action, opt_label) {
    var id = GGANA_GLOBAL_ID; 
    console.log("track:::", id);
    console.log("track:::", category, action, opt_label);
    var ret = _gat._getTracker(id)._trackEvent(category, action, opt_label);
    console.log("track:::", ret);
}