//blendet ein Objekt ein bzw. aus
function sichtbarkeit_tauschen(obj) {
	var objarray = obj.split(', ');
	while (objarray.length > 0) {
		var el = document.getElementById(objarray.shift());
		if ( el.style.display != 'none' ) {
			el.style.display = 'none';
		} else {
			el.style.display = '';
		}
	}

};

function sichtbar_machen(obj) {
	var objarray = obj.split(', ');
	while (objarray.length > 0) {
		var el = document.getElementById(objarray.shift());
		el.style.display = '';}
		
	

};

function unsichtbar_machen(obj) {
	var objarray = obj.split(', ');
	while (objarray.length > 0) {
		var el = document.getElementById(objarray.shift());
		el.style.display = 'none';}
		

};

function javascript_seitenaufbau() {
	//var containerbreite = document.getElementById("branding").style.width;
	var logo = document.getElementById("transparent-logo");
	logo.style.width=(window.innerWidth-900)/2-10+"px";
};

function zeige_fenster(zusatz) {
	unsichtbar_machen('nav');
	blende = document.createElement('div');
	blende.setAttribute("class", "blende");
	blende.id = "blende";
	blende.style.height = document.getElementsByTagName("body")[0].style.height;
	blende.style.width = document.getElementsByTagName("body")[0].style.width;
	document.getElementById('content-links').appendChild(blende);
	sichtbar_machen('fenster'+zusatz);
};
	
function schliesse_fenster(zusatz) {
	sichtbar_machen('nav');
	document.getElementById('blende').parentNode.removeChild(document.getElementById('blende'));
	unsichtbar_machen('fenster'+zusatz);
	};	
	
	
function changevalue(obj, newvalue){
	var el = document.getElementById(obj);
	el.value = newvalue;
};
  
function changesrc(obj, newvalue){
	var el = document.getElementById(obj);
	el.src = newvalue;
};

function upload_form_spinner(id) {
  container = document.createElement('div');
  container.id = "upload_info_container_spinner";
  container.setAttribute("class", "upload_info_container_spinner");
  document.getElementById('content-links').appendChild(container);
  //spinner = document.createElement('img');
  //spinner.src="/gfx/buttons/spinner.gif";
  //spinner.setAttribute("class", "spinner");
  //container.appendChild(spinner);
  headline = document.createElement('h3');
  headlinetext = document.createTextNode("Ihre Datei wird hochgeladen");
  headline.appendChild(headlinetext);
  container.appendChild(headline);
  text =document.createTextNode("Dies kann je nach Geschwindigkeit ihrer Internetverbindung einige Zeit dauern.");
  container.appendChild(text);

  

  var form = document.getElementById(form);
  blende = document.createElement('div');
  blende.setAttribute("class", "blende");
  blende.id = "blende";
  blende.style.height = document.getElementsByTagName("body")[0].style.height;
  blende.style.width = document.getElementsByTagName("body")[0].style.width;
  document.getElementById('content-links').appendChild(blende);
  //form.submit();
}