function showhide(layer_ref, state) 
{ 
    if (document.all) { //IS IE 4 or 5 (or 6 beta) 
        eval("document.all." +layer_ref+ ".style.display = state"); 
    }
     
    if (document.layers) { //IS NETSCAPE 4 or below 
        document.layers[layer_ref].display = state; 
    }
     
    if (document.getElementById &&!document.all) { 
        hza = document.getElementById(layer_ref); 
        hza.style.display = state; 
    }    
}



function showprofile(layer_ref, state) 
{
    showhide('pekka','none');
    showhide('matti','none');
    showhide('ari','none');
    showhide('mauritz','none');
    showhide('mark','none');
    showhide('teppo','none');
    showhide('petter','none');
    
    showhide(layer_ref, state);
}