if(parent.frames.length == 0){
document.write('<frameset cols="*,760,*" frameborder="NO" border="0" framespacing="0">'
  +'<frame src="actie/frames/left.htm" name="left" scrolling="NO" marginwidth="0" marginheight="0" id="left">'
    
  +'<frameset rows="*,420,*" frameborder="NO" border="0" framespacing="0">'
    +'<frame src="actie/frames/top.htm" name="top" scrolling="NO" id="top" >'
   +'<frameset rows="128,272,20" frameborder="NO" border="0" framespacing="0">'
      +'<frame src="actie/frames/nav_new.htm" name="top" scrolling="NO" noresize id="top" >'
  +'<frame src="'+ window.location +'?" name="main"/>'
      +'<frame src="actie/frames/adresbalk.htm" name="adresbalk" scrolling="NO" noresize id="adresbalk">'
+'</frameset>'
    +'<frame src="actie/frames/bottom.htm" name="bottom" scrolling="NO" id="bottom">'
+'</frameset>'
    +'<frame src="actie/frames/right.htm" name="right" scrolling="no" marginwidth="0" marginheight="0" id="right">'
+'</frameset>');
};