kefu/static/js/kefu-custom.js

var KEFU={
};
KEFU.init=function(options){
    var settings={

    }
    if (!options) { options = {}; }
    for (var key in settings) {
        if (typeof options[key] !== 'undefined') {
            this[key] = options[key];
        } else {
            this[key] = settings[key];
        }
    }
}