function resize_div() {
  var nHeight = 0;
  if (window.innerHeight) {
    nHeight = window.innerHeight;
  }
  else if (document.documentElement && document.documentElement.clientHeight)    {
    nHeight = document.documentElement.clientHeight + document.documentElement.clientHeight;
  }
  else if (document.body)    {
    nHeight = document.body.clientHeight;
  }
  else
  {
    nHeight = screen.availHeight;
  }

  if(document.getElementById("popup"))
  {
    document.getElementById("popup").style.height = document.body.offsetHeight + "px";
  }

  document.getElementById("popup_weiterleiten").style.height = document.body.offsetHeight + "px";
}

function open_searchoptions() {
  if(document.getElementById("search_options").style.display == "block") {
    close_searchoptions();
  }
  else {
    document.getElementById("search_options").style.display = "block";
    document.getElementById("search_options_border").style.display = "block";
  }
}
function close_searchoptions() {
  document.getElementById("search_options").style.display = "none";
  document.getElementById("search_options_border").style.display = "none";
}


function open_div(layer_id) {
  document.getElementById("popup" + layer_id).style.display = "block";
  document.getElementById("popup_inhalt" + layer_id).style.display = "block";
  document.getElementById("popup" + layer_id).style.height = document.body.offsetHeight + "px";
}
function close_div(layer_id) {
  document.getElementById("popup" + layer_id).style.display = "none";
  document.getElementById("popup_inhalt" + layer_id).style.display = "none";
  document.getElementById("popup" + layer_id).style.height = "10px";
}

function setPicturePos(obj)
{
  document.getElementById("ajax_pictures").style.top = document.getElementById(obj).offsetTop + document.getElementById("content").offsetTop + "px";
}

function openlayer(layername)
{
  setTimeout('layer_on(\'' +layername+ '\')',200);
}
			
function closelayer(layername)
{  
  setTimeout('layer_off(\'' +layername+'\')',200);
}

innerhalb = '';

function layer_on(layername) 
{
  if(!innerhalb)
  {
    document.getElementById(layername).style.visibility = "visible";
  }
}
	
function layer_off(layername)
{
  if(!innerhalb)
  {
    document.getElementById(layername).style.visibility = "hidden";
  }
  }