Simple auto away message

simple_autoaway.js

var olarkTimeout = null;

olark('api.chat.onMessageToOperator', function(event) {
    olarkTimeout = setTimeout(function(){
        olark('api.chat.sendMessageToVisitor', {body: "It looks like the operator might be a little busy, hold on just a bit and we'll be right back with you!"});
    }, 30 * 1000);  // 30 seconds
});

olark('api.chat.onMessageToVisitor', function(event) {
    if(olarkTimeout !== null){
        clearTimeout(olarkTimeout);
        olarkTimeout = null;
    };
});