function tabit(obj)
{
  var tabnavs = $('ulhometabsnavs').childElements(); 
  tabnavs.each(function(tabn){
  tabn.removeClassName("current");
  });
  
  var tabcontents = $('hometabscontent').childElements(); 
  tabcontents.each(function(tabc){
  tabc.hide();
  });
  $(obj.id).addClassName("current");
  $(obj.id+'_c').show();
}