//** Set Default image
var dailyImageObject = new Image();
var currentDate = new Date();

//** Returns the current date in DD format
function getCurrentDateString(inc){
    var currentDayOfMonth = (currentDate.getDate() + inc) + "";
    if (currentDayOfMonth >31) {currentDayOfMonth = currentDayOfMonth - 31;currentDayOfMonth = currentDayOfMonth + "";}
    if (currentDayOfMonth.length == 1) {currentDayOfMonth = "0" + currentDayOfMonth;}
    return(currentDayOfMonth);
    }

//** Set the actual HTML IMG element to have the same SRC as our cached Image object
function showDailyImage(inc){
    var currentDateString = getCurrentDateString(inc);
    if (inc) {dailyImageObject.src = "../rotation/" + currentDateString + ".jpg";}
    else {dailyImageObject.src = "./rotation/" + currentDateString + ".jpg";}
    document.getElementById("dailyIMGElement").src = dailyImageObject.src;
    }
    
//** Set the actual HTML IMG element to default Image object
function showDefaultImage(){
    var defaultImageObject = new Image();
    alert(GlobalInc);
    if (GlobalInc) {defaultImageObject.src = "../rotation/19.jpg";}
    else {defaultImageObject.src = "./rotation/19.jpg";}
    document.getElementById("dailyIMGElement").src = defaultImageObject.src;
    }