function changeday(direction)
{
var cursrc = document.getElementById("iwetter").src;
var split1 = cursrc.split("?");
var split2 = split1[1].split("&");
var split3 = split2[split2.length - 1].split("=");
var curday = split3[1];
var folday = null;

switch(curday)
{
case "0":
if(direction == "forward")
{
folday = 1;
}
else
{
folday = 2;
}
break;

case "1":
if(direction == "forward")
{
folday = 2;
}
else
{
folday = 0;
}
break;

case "2":
if(direction == "forward")
{
folday = 0;
}
else
{
folday = 1;
}
break;
}

document.getElementById("iwetter").src = "http://www.wetter24.de/meteo/hptool/index.php?cid=49X7082&cityName=Hilzingen&l=de&style=11&v=de&ver=2&c1=000000&c2=f8b920&c3=000000&c4=f8b920&c5=000000&c6=f8b920&c7=f8b920&f1a=1&f1b=1&f2a=1&f2b=1&f3a=1&f3b=1&ct1=1&ct2=2&ct3=6&ct4=8&ct5=11&fcd="+ folday +"";

}
/*
function prevpic()
{
number--;

if(number < 0)
{
number = (pics.length - 1);
}


var pic = document.getElementById('currentpic');
pic.style.visibility = 'hidden';
pic.src = pics[number][0];
pic.width = pics[number][1];
pic.height = pics[number][2];
document.getElementById('bilderbox').style.width = pics[number][1]+'px';
document.getElementById('tableinfos').style.width = eval(pics[number][1] - 5) +'px';
document.getElementById('pic_title').innerHTML = pics[number][3];
document.getElementById('pic_text').innerHTML = pics[number][4];
document.getElementById('pic_num').innerHTML = (number + 1) +'/'+pics.length;
pic.style.visibility = 'visible';
}

function nextpic()
{
number++;

if(number > (pics.length - 1))
{
number = 0;
}

var pic = document.getElementById('currentpic');
pic.style.visibility = 'hidden';
pic.src = pics[number][0];
pic.width = pics[number][1];
pic.height = pics[number][2];
document.getElementById('bilderbox').style.width = pics[number][1]+'px';
document.getElementById('tableinfos').style.width = eval(pics[number][1] - 5) +'px';
document.getElementById('pic_title').innerHTML = pics[number][3];
document.getElementById('pic_text').innerHTML = pics[number][4];
document.getElementById('pic_num').innerHTML = (number + 1) +'/'+pics.length;
pic.style.visibility = 'visible';
}

function switch_bilderbox(curpicid)
{
if(document.getElementById('dark_bg').style.display == "none")
{
for (var i = 0; i < pics.length; i++)
{
if(pics[i][6] == curpicid) break;
}

var pic = document.getElementById('currentpic');
pic.style.visibility = 'hidden';
pic.src = pics[i][0];
pic.width = pics[i][1];
pic.height = pics[i][2];
document.getElementById('bilderbox').style.width = pics[i][1]+'px';
document.getElementById('tableinfos').style.width = eval(pics[i][1] - 5) +'px';
document.getElementById('pic_title').innerHTML = pics[i][3];
document.getElementById('pic_text').innerHTML = pics[i][4];
document.getElementById('pic_num').innerHTML = (i + 1) +'/'+pics.length;

document.getElementById('dark_bg').style.display = "block";
document.getElementById('bilderbox').style.visibility = "visible";
document.getElementById('currentpic').style.visibility = "visible";
number = i;
}
else
{
document.getElementById('dark_bg').style.display = "none";
document.getElementById('bilderbox').style.visibility = "hidden";
document.getElementById('currentpic').style.visibility = "hidden";
}
}

function switch_bilderbox_news()
{
if(document.getElementById('dark_bg').style.display == "none")
{
document.getElementById('dark_bg').style.display = "block";
document.getElementById('bilderbox').style.visibility = "visible";
document.getElementById('currentpic').style.visibility = "visible";
}
else
{
document.getElementById('dark_bg').style.display = "none";
document.getElementById('bilderbox').style.visibility = "hidden";
document.getElementById('currentpic').style.visibility = "hidden";
}
}
*/
function maxzeichen(textfeld, anzeigefeld, maximum) {
	if(textfeld.value.length >= maximum)
		textfeld.value = textfeld.value.substr(0, maximum);
	document.getElementById(anzeigefeld).innerHTML = textfeld.value.length;
}

function resp(xml, obj) {
	return (xml.getElementsByTagName(obj)[0].hasChildNodes()) ? xml.getElementsByTagName(obj)[0].firstChild.nodeValue : '';
}