function raus(item) {

	bildpfad = window.location.search;
	stelle = window.location.search.indexOf("=");
	var id = bildpfad.slice(stelle+1, stelle+3);

	austauschstring1 = document.getElementById("austauschbilder").childNodes[1].src;

	switch(item) {

	case "0":
	document.getElementById("detailbilder").firstChild.src = document.getElementById("austauschbilder").childNodes[0].src;
	//document.getElementById("detailbilder").firstChild.firstChild.src = ursprung();
	break;
	case "1":
	document.getElementById("detailbilder").firstChild.src = document.getElementById("austauschbilder").childNodes[1].src;
	break;
	case "2":
	document.getElementById("detailbilder").firstChild.src = document.getElementById("austauschbilder").childNodes[2].src;
	break;
	case "3":
	document.getElementById("detailbilder").firstChild.src = document.getElementById("austauschbilder").childNodes[3].src;
	break;
	case "4":
	document.getElementById("detailbilder").firstChild.src = document.getElementById("austauschbilder").childNodes[0].src;
	break;

	}

}


if (document.getElementById("austauschbilder").childNodes.length > 1) {
//document.getElementById("detailbilder").firstChild.childNodes[0].onmouseover = function(){raus("0");};
document.getElementById("detailbilder").childNodes[1].onmouseover = function(){raus("1");};
document.getElementById("detailbilder").childNodes[2].onmouseover = function(){raus("2");};
document.getElementById("detailbilder").childNodes[3].onmouseover = function(){raus("3");};
//document.getElementById("detailbilder").firstChild.childNodes[0].onmouseout = function(){raus("0");};
document.getElementById("detailbilder").childNodes[1].onmouseout = function(){raus("0");};
document.getElementById("detailbilder").childNodes[2].onmouseout = function(){raus("0");};
document.getElementById("detailbilder").childNodes[3].onmouseout = function(){raus("0");};
}