function soutpix(pix) {
	subcat = new Array(1,2,3,4,5)
	for (var i=1; i <= subcat.length; ++i) {
			document.getElementById('sout' + i).className = "";
	}
	document.getElementById('sout' + pix).className = "pixbox_select";
	document.getElementById('sout_pix').src = "images/galerie_sout_" + pix + ".jpg";
}

function cavepix(pix) {
	subcat = new Array(1,2,3,4)
	for (var i=1; i <= subcat.length; ++i) {
		if  (i != pix) {
			document.getElementById('cave' + i).className = "";
		}
	}
	document.getElementById('cave' + pix).className = "pixbox_select";
	document.getElementById('cave_pix').src = "images/galerie_cave_" + pix + ".jpg";
}