function turnOffAllDivs() {
var subdivs = document.getElementById("leftmenu").getElementsByTagName("div");
for (i = 0; i < subdivs.length; i++) {
subdivs[i].style.display = "none";
}
}

function showEl(id) {
var el = document.getElementById(id);
if (el.style.display == "none") {
turnOffAllDivs();
el.style.display = "";
}
else {
turnOffAllDivs();
}
}


//Nivå 3 i submenyn
function turnOffAllDivsInDiv(div_id) {
var subdivs = document.getElementById(div_id).getElementsByTagName("div");
for (i = 0; i < subdivs.length; i++) {
subdivs[i].style.display = "none";
}
}

function showEl_Sub(id, parentdiv_id) {
var el = document.getElementById(id);
if (el.style.display == "none") {
turnOffAllDivsInDiv(parentdiv_id);
el.style.display = "";
}
else {
turnOffAllDivsInDiv(parentdiv_id);
}
}