function startTime(){
    var time= new Date();
    hours= time.getHours();
    mins= time.getMinutes();
    secs= time.getSeconds();
    closeTime=hours*3600+mins*60+secs;
    closeTime+=600;
    Timer();
}

function Timer(){
    var time= new Date();
    hours= time.getHours();
    mins= time.getMinutes();
    secs= time.getSeconds();
    curTime=hours*3600+mins*60+secs
    if(curTime>=closeTime){
        reloadimg();
        startTime();
        updateLatestReadings(internalboeyid);
    }else{
        window.setTimeout("Timer()",50000)
    }
}
function reloadimg(){
    var i = Math.floor(Math.random()*101);
    
    var img = document.getElementById("image");
    img.src = imgsrc+"&" + i;
}