[Aeris]

            <div class="statusBarRightIconDock" id="statusBarRightIconDock">
                <div id="statusBarParentalControlsIconDiv" class="parentalControlsOn">
                </div>
                <div class="statusBarConnectionDiv">
                    <div id="connectionStatusIconDiv"></div>
                    <div id="connectionSignalStrengthIconDiv"></div>
                </div>
                <div id="batteryStatusIconDiv">
                    <div id="batteryFillContainer">
                        <div id="batteryFill"></div>
                    </div>
                </div>
                <div class="statusBarTimeDiv" id="timeDiv">
                    <span class="statusBarText" id="timeSpan"></span>
                </div>
            </div>

That's why I choosed "statusBarConnectionDiv", it is the outer div that contains both...

As reference I've used this:
http://www.w3schools.com/htmldom/dom_events.asp

where it says:

<button id="myBtn">Try it</button>

<script>
document.getElementById("myBtn").onclick=function(){displayDate()};
</script>

Here the full working online sample:
http://www.w3schools.com/htmldom/try...tmldom_events2