function init()
{
	if(document.getElementById) {
		var height = document.body.clientHeight - 113;
		document.getElementById('mainCell').setAttribute('height', height);
		}

	// Preload bilder.
	imgDir = 'img/';
	img1 = new Image(160, 32); img1.src = imgDir + 'index_on.gif';
	img2 = new Image(160, 32); img2.src = imgDir + 'program_on.gif';
	img3 = new Image(160, 32); img3.src = imgDir + 'aktiviteter_on.gif';
	img4 = new Image(160, 32); img4.src = imgDir + 'deltagere_on.gif';
	img5 = new Image(160, 32); img5.src = imgDir + 'kart_on.gif';
	img6 = new Image(160, 32); img6.src = imgDir + 'skjema_on.gif';
}
//-----------------------------------------------------------------------------
function onLink(img)
{
	img.src = img.src.replace('.gif', '_on.gif');
	img.style.borderColor = '#CF4883';
}
//-----------------------------------------------------------------------------
function offLink(img)
{
	img.src = img.src.replace('_on', '');
	img.style.borderColor = '#6B9D0A';
}
//-----------------------------------------------------------------------------