function HighlightSubMenu(menuToHighlight, subToShow)
{           
    doUnHighlight();
    document.getElementById(menuToHighlight).style.backgroundColor = 'black';
    document.getElementById('A' + menuToHighlight).style.color = 'white';
    document.getElementById(subToShow).style.display = '';
}

function doUnHighlight()
{                 
    document.getElementById('menuFrontPage').style.backgroundColor = '';
    document.getElementById('AmenuFrontPage').style.color = 'black';
    document.getElementById('menuGuitar').style.backgroundColor = '';
    document.getElementById('AmenuGuitar').style.color = 'black';
    document.getElementById('menuSlagtoej').style.backgroundColor = '';
    document.getElementById('AmenuSlagtoej').style.color = 'black';
    document.getElementById('menuBas').style.backgroundColor = '';
    document.getElementById('AmenuBas').style.color = 'black';
    document.getElementById('menuTangenter').style.backgroundColor = '';
    document.getElementById('AmenuTangenter').style.color = 'black';
    document.getElementById('menuPA').style.backgroundColor = '';
    document.getElementById('AmenuPA').style.color = 'black';
    document.getElementById('menuStrygere').style.backgroundColor = '';
    document.getElementById('AmenuStrygere').style.color = 'black';
    document.getElementById('menuComputer').style.backgroundColor = '';
    document.getElementById('AmenuComputer').style.color = 'black';
    document.getElementById('menuDJ').style.backgroundColor = '';
    document.getElementById('AmenuDJ').style.color = 'black';
    document.getElementById('menuHorn').style.backgroundColor = '';
    document.getElementById('AmenuHorn').style.color = 'black';
    document.getElementById('subFrontPage').style.display = 'none';
    document.getElementById('subGuitar').style.display = 'none';
    document.getElementById('subSlagtoej').style.display = 'none';
    document.getElementById('subBas').style.display = 'none';
    document.getElementById('subTangenter').style.display = 'none';
    document.getElementById('subPA').style.display = 'none';
    document.getElementById('subStrygere').style.display = 'none';   
    document.getElementById('subComputer').style.display = 'none';
    document.getElementById('subHorn').style.display = 'none';
    document.getElementById('subDJ').style.display = 'none'; 
}

function nyheder() {
    document.location.href = "/Nyheder.html";
}

function linkside() {
    document.location.href = "/Links.aspx";
}

function kontaktos() {
    document.location.href = "/Contact.aspx";
}

function omkring() {
    document.location.href = "/about.aspx";
}

function annonce() {
    document.location.href = "/Advertize.aspx";
}

function RegisterEvent(url) {
    document.getElementById('MasterLogImg').src = url;
}