function close() {
    document.getElementById("map-container").style.display = "block";
    document.getElementById("threshold_form").style.display = "none";
    document.getElementById("map").style.display = "flex";
}
//****  CLICK ON A LINK FOR CLOSE ***==============================================================

CLICK ON A LINK FOR CLOSE
CLICK ON A LINK FOR CLOSE
function close() {
    document.getElementById("map-container").style.display = "block";
    document.getElementById("threshold_form").style.display = "none";
    document.getElementById("map").style.display = "flex";
}
function close ( ) { document . getElementById ( "map-container" ) . style . display = "block" ; document . getElementById ( "threshold_form" ) . style . display = "none" ; document . getElementById ( "map" ) . style . display = "flex" ; }
CLICK ON A LINK FOR CLOSE
CLICK ON A LINK FOR CLOSE