function nyx_setIframeSrc(idIframe, newSrc, windowObject)
{
  if (windowObject == null)
    windowObject = window;
    
  windowObject.document.getElementById(idIframe).src = newSrc;
}

function nyx_getIframeDocument(iframeName, windowObject)
{
  if (windowObject == null)
    windowObject = window;
  
  iframeWindow    = windowObject.frames[iframeName];
  
  return iframeWindow.document;
}

function nyx_getIframeWindow(iframeName, windowObject)
{
  if (windowObject == null)
    windowObject = window;
  
  iframeWindow    = windowObject.frames[iframeName];
  
  return iframeWindow;
}