function b(myrow,bg) {
  myrow.style.backgroundColor = bg;
 }
 function o (id) {
  if (document.getElementById) {
    obj=document.getElementById(id);
  } else if (document.layers) {
    obj=document.layers[id];
  } else if (document.all) {
    obj=document.all[id];
  } else {
    obj=false;
  }

  return obj;
 }
 function o_style (name) {
  if (document.getElementById) {
   obj=document.getElementById(name).style;
  } else if (document.layers) {
   obj=document.layers[name];
  } else if (document.all) {
   obj=document.all[name].style;
  } else {
   obj=false;
  }

  return obj;
 }
 
 var lastGroup = 'ogolne';  
 
 function showGroup (group) {
  if (group == lastGroup) return;
  
  document.forms['profil']['formGroup'].value = group;
  
  o('link'+lastGroup).className = '';                                    
  o('link'+group).className = 'act';
  
  o_style('group'+lastGroup).display = 'none';
  o_style('group'+group).display = 'block';
  
  lastGroup = group;
 }