function ie_version()
{
  var muell, schrott  
  
  muell = navigator.appName;
  muell = muell.toUpperCase();  
  muell = muell.substring(0,9);
  if (muell != 'MICROSOFT')
  {
    return 999;
  }
  muell = navigator.appVersion;
  schrott = muell.indexOf('MSIE');
  schrott = schrott + 5 ;
  muell = muell.substr(schrott,1);  
  return parseInt(muell); 
 
}


function f_show(obj)
{ 
  
  var js_dreck, js_muell;
  js_dreck = ie_version();
  
  if (js_dreck < 8)
  { 
    
    js_muell = document.getElementById(obj);    
    js_muell.style.left = 'auto';
    js_muell.style.display = 'block';
  }
 
}

function f_hide(obj)
{

  var js_dreck, js_muell;
  js_dreck = ie_version();
  
  if (js_dreck < 8)
  {  
    
    js_muell = document.getElementById(obj);    
    js_muell.style.left = '-999em';
    js_muell.style.display = 'none';
  }



  
}