function Minimise() {

document.getElementById("maptext_body").style.display = "none";
document.getElementById("b1").style.display = "none";
document.getElementById("b2").style.display = "none";
document.getElementById("b3").style.display = "none";
document.getElementById("b4").style.display = "none";
document.getElementById("right_content").style.display = "none";
}

function Maximise() {

document.getElementById("maptext_body").style.display = "inline";
document.getElementById("b1").style.display = "inline";
document.getElementById("b2").style.display = "inline";
document.getElementById("b3").style.display = "inline";
document.getElementById("b4").style.display = "inline";
document.getElementById("right_content").style.display = "inline";

}