// this function changes color and visibility of the left tab on the amv frontpage.
function HideShowTab1(hideId, showId, hideBtnId, showBtnId) 
{
hideTab = document.getElementById(hideId);
showTab = document.getElementById(showId);
hideBtn = document.getElementById(hideBtnId);
showBtn = document.getElementById(showBtnId);
hideTab.style.display = 'none';
showTab.style.display = 'block';
hideBtn.style.backgroundImage = 'url(/include/grafik/news_unsel.png)';
showBtn.style.backgroundImage = 'url(/include/grafik/emner_sel.png)';
}
// this function changes color and visibility of the left tab on the amv frontpage.
function HideShowTab2(hideId, showId, hideBtnId, showBtnId) 
{
hideTab = document.getElementById(hideId);
showTab = document.getElementById(showId);
hideBtn = document.getElementById(hideBtnId);
showBtn = document.getElementById(showBtnId);
hideTab.style.display = 'none';
showTab.style.display = 'block';
hideBtn.style.backgroundImage = 'url(/include/grafik/emner_unsel.png)';
showBtn.style.backgroundImage = 'url(/include/grafik/news_sel.png)';
}