function changeWeather() {

    document.getElementById("idWeather").style.backgroundImage = "url('images/ih1o.jpg')";
    document.getElementById("idWeather").style.color = "#FFFFFF";
    document.getElementById("idIndicators").style.backgroundImage = "url('images/ih2.jpg')";
    document.getElementById("idIndicators").style.color = "#677996";
    document.getElementById("idMoonCycle").style.backgroundImage = "url('images/ih3.jpg')";
    document.getElementById("idMoonCycle").style.color = "#677996";

    document.getElementById("dispWeather").style.display = "block";
    document.getElementById("dispIndicators").style.display = "none";
    document.getElementById("dispMoonCycle").style.display = "none";
}
function changeIndicators() {
    document.getElementById("idWeather").style.backgroundImage = "url('images/ih1.jpg')";
    document.getElementById("idWeather").style.color = "#677996";
    document.getElementById("idIndicators").style.backgroundImage = "url('images/ih2o.jpg')";
    document.getElementById("idIndicators").style.color = "#FFFFFF";
    document.getElementById("idMoonCycle").style.backgroundImage = "url('images/ih3.jpg')";
    document.getElementById("idMoonCycle").style.color = "#677996";

    document.getElementById("dispWeather").style.display = "none";
    document.getElementById("dispIndicators").style.display = "block";
    document.getElementById("dispMoonCycle").style.display = "none";
}
function changeMoonCycle() {
    document.getElementById("idWeather").style.backgroundImage = "url('images/ih1.jpg')";
    document.getElementById("idWeather").style.color = "#677996";
    document.getElementById("idIndicators").style.backgroundImage = "url('images/ih2.jpg')";
    document.getElementById("idIndicators").style.color = "#677996";
    document.getElementById("idMoonCycle").style.backgroundImage = "url('images/ih3o.jpg')";
    document.getElementById("idMoonCycle").style.color = "#FFFFFF";

    document.getElementById("dispWeather").style.display = "none";
    document.getElementById("dispIndicators").style.display = "none";
    document.getElementById("dispMoonCycle").style.display = "block";
}