var image_arr = new Array();
image_arr[0] = "4er_Gruppe_Aussen_020.jpg";
image_arr[1] = "4er_Gruppe_Aussen_009.jpg";
image_arr[2] = "4er_Gruppe_Aussen_010.jpg";
image_arr[3] = "4er_Gruppe_Aussen_011.jpg";
image_arr[4] = "4er_Gruppe_Aussen_017.jpg";
preloadImages(image_arr);

function changeImage(id)
{
	document.getElementById("mainImage").src = "fileadmin/img/" + image_arr[id];
}