function einklappen(objlii) {
 	getKlappElement(objlii).style.display = 'none';
	getKlappBild(objlii).style.display = 'none';
	switchPlusMinus(objlii);
}

function ausklappen(objlii) {
	getKlappElement(objlii).style.display = 'block';
	getKlappBild(objlii).style.display = 'block';
	switchPlusMinus(objlii);
}

function getKlappElement(klickElement)
{
	return getElementByClassname(klickElement, "immo_content_text");
}

function getKlappBild(klickElement)
{
	return getElementByClassname(klickElement, "immo_right_picture");
}

function switchPlusMinus(klickElement)
{
	var an = getElementByClassname(klickElement, "immo_func_ein");
	var aus = getElementByClassname(klickElement, "immo_func_aus");
	if (an.style.display == "block") {
		aus.style.display = "block";
		an.style.display = "none";
	} else {
		an.style.display = "block";
		aus.style.display = "none";
	}
}

function getElementByClassname(klickElement, className)
{
	var els = klickElement.parentNode.getElementsByTagName("div");
	var found = false;
	for (var i = 0; i < els.length; i++) {
		var el = els[i];
		if (el.className == className) {
			found = true;
			break;
		}
	}
	if (!found) {
		return null;
	}
	return el;						  
	
}