function show_row1(){ 
	// Make sure the element exists before calling it's properties 
	if ((document.getElementById("grupper1") != null)) 
	  // Toggle visibility between none and inline 
	  if ((document.getElementById("grupper1").style.display == 'none')) 
	  { 
		document.getElementById("grupper1").style.display = 'inline'; 
		  document.getElementById("nyhedsbrev1").checked = true; 
	  } else { 
		document.getElementById("grupper1").style.display = 'none'; 
		  document.getElementById("nyhedsbrev1").checked = false; 
	  } 
  } 
  
  function show_row2(){ 
	// Make sure the element exists before calling it's properties 
	if ((document.getElementById("grupper2") != null)) 
	  // Toggle visibility between none and inline 
	  if ((document.getElementById("grupper2").style.display == 'none')) 
	  { 
		document.getElementById("grupper2").style.display = 'inline'; 
		  document.getElementById("nyhedsbrev2").checked = true; 
	  } else { 
		document.getElementById("grupper2").style.display = 'none'; 
		  document.getElementById("nyhedsbrev2").checked = false; 
	  } 
  }