function HideContent(d) {
document.getElementById(d).style.display = "none";
}

function ShowContent(d) {
document.getElementById(d).style.display = "block";
}

function ReverseContentDisplay(d) {
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function hideAll() {
HideContent('menuapps')
HideContent('menuapps41')
HideContent('menuplaces')
HideContent('menusystem')
HideContent('menusystem11')
HideContent('menusystem21')
HideContent('menudesknet')
HideContent('menudesknet1')
}

function Showmenuapps() {
ShowContent('menuapps')
HideContent('menuapps41')
HideContent('menuplaces')
HideContent('menusystem')
HideContent('menusystem11')
HideContent('menusystem21')
HideContent('menudesknet')
HideContent('menudesknet1')
}

function Showmenuapps41() {
ShowContent('menuapps41')
}

function Hidemenuapps41() {
HideContent('menuapps41')
}

function Showmenuplaces() {
HideContent('menuapps')
HideContent('menuapps41')
ShowContent('menuplaces')
HideContent('menusystem')
HideContent('menusystem11')
HideContent('menusystem21')
HideContent('menudesknet')
HideContent('menudesknet1')
}

function Showmenusystem() {
HideContent('menuapps')
HideContent('menuapps41')
HideContent('menuplaces')
ShowContent('menusystem')
HideContent('menusystem11')
HideContent('menusystem21')
HideContent('menudesknet')
HideContent('menudesknet1')
}

function Showmenusystem11() {
ShowContent('menusystem11')
HideContent('menusystem21')
}

function Showmenusystem21() {
ShowContent('menusystem21')
HideContent('menusystem11')
}

function Hidemenusystem() {
HideContent('menusystem11')
HideContent('menusystem21')
}

function Showmenudesknet() {
HideContent('menuapps')
HideContent('menuapps41')
HideContent('menuplaces')
HideContent('menusystem')
HideContent('menusystem11')
HideContent('menusystem21')
ShowContent('menudesknet')
HideContent('menudesknet1')
}

function Showmenudesknet1() {
ShowContent('menudesknet1')
}

function Hidemenudesknet1() {
HideContent('menudesknet1')
}

function ubuntu(url,newwin,coords) {
window.open(url,newwin,coords);
}