var scrollOffset = 0;

function scrollPanorama()
{
	scrollOffset -= 1;
	document.getElementById("header_panorama").style.backgroundPosition = scrollOffset + "px 0";
}

function startScroll()
{
	timer = setInterval("scrollPanorama()", 50);
}

function toggleMoreInformations(element, image, imageActivated, imageHidden)
{
	if (element.style.display == "none")
	{
		element.style.display = "";
		image.src = imageActivated;
	}
	else
	{
		element.style.display = "none";
		image.src = imageHidden;
	}
}