function lightswitch() {
var path = "fileadmin/templates/images/";
var source = document.pic.src;
var myArray = source.split('/');
if(myArray[6]=="hell") {
  document.getElementById("switch").src = path+"switch_off.png";
  document.pic.src = path+"dunkel/"+myArray[7];
} else {
  document.getElementById("switch").src = path+"switch_on.png";
  document.pic.src = path+"hell/"+myArray[7];
}
}

function nextPic() {
var path = "fileadmin/templates/images/";
var source = document.pic.src;
var myArray = source.split('/');
var myPic = myArray[7].split('.');

if(myPic[1]!="4") {
  var newNum = parseInt(myPic[1])+1;
  document.pic.src = path+myArray[6]+"/"+myPic[0]+"."+newNum+"."+myPic[2];
  switchBullet(newNum);
}
}

function prevPic() {
var path = "fileadmin/templates/images/";
var source = document.pic.src;
var myArray = source.split('/');
var myPic = myArray[7].split('.');

if(myPic[1]!="1") {
  var newNum = parseInt(myPic[1])-1;
  document.pic.src = path+myArray[6]+"/"+myPic[0]+"."+newNum+"."+myPic[2];
  switchBullet(newNum);
}
}

function switchBullet(Bullet) {
var path = "fileadmin/templates/images/";
var source = document.bullets.src;
var myArray = source.split('/');
var State = myArray[6].split('.');

document.bullets.src = path+State[0]+"."+Bullet+"."+State[2];
}