function GetContent(file_request) // filerequest z.B.: content=neuigkeiten
{	
  //ladegrafik:
  content_div = document.getElementById("content");
  content_div.innerHTML = '<span style="text-decoration:blink;">...</span>';
  
  var myAjax = new Ajax.Request(file_request, { method: 'get', onComplete: SetContent }	);
}

function SetContent( originalRequest ) 
{
  content_div = document.getElementById("content");
  content_div.innerHTML = originalRequest.responseText;
}

function ShowGuestBook()
{
  content_div = document.getElementById("content");
  content_div.innerHTML = '<iframe src="http://www.0814net.de/cgi-bin/cms/gb/gb.cgi?id=21485" width="632" height="450" frameborder="no"></iframe>';
}

function showImage(img_path)
{
  var divid = "content_img";
  
  var bgb = document.getElementById("bgb");
  bgb.style.display = "block";
  bgb.setAttribute("title","Zum Schließen klicken!"); 
  
  var root = document.getElementById(divid);
  root.style.display = "block";
  
    var top = 50;
    if(!isBrowser("MSIE")) top = (window.pageYOffset + 50);
    else top = (document.documentElement.scrollTop + 50); 
  
  root.style.top = top + "px";
  root.innerHTML = "";  
  
    img = document.createElement("img");
    img.setAttribute("src",img_path);
    img.style.border = "0px";
    img.style.padding = "0px";
    
    
    a = document.createElement("a");
    a.href = "javascript: closeImage()";
    a.appendChild(img);
  
  root.appendChild(a);
  
}




function closeImage()
{
  var bgb = document.getElementById("bgb");
  bgb.style.display = "none"; 
  
  var divid = "content_img";
  root = document.getElementById(divid);
  root.style.display = "none";
}


function isBrowser(name)
{
  //"Opera" "Gecko" "MSIE"
  if(navigator.appName.indexOf(name)) return true;
  return false;
}