// JavaScript Document
function delete_default(obj) {
	if (obj.id == 'monat') {
		if (obj.value == 'MM') obj.value = "";
		else obj.select();
	}
	else if (obj.id == 'jahr') {
		if (obj.value == 'JJJJ') obj.value = "";
		else obj.select();
	}
}


function helper_open() {
	document.getElementById("helper").style.display = "block";
	document.getElementById("helper").style.height = "290px";
}


function helper_close() {
	document.getElementById("helper").style.display = "none";
	document.getElementById("helper").style.height = "0px";
}

function returnRefresh(returnVal) {
	document.getElementById("bild").value = returnVal;
	if (returnVal.length > 30) returnVal = returnVal.substr(0, 30);
	document.getElementById("bild-text").innerHTML = returnVal + "...";
}