// JavaScript Document
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

var state = 'none'; 

function show(layer_ref) { 

state = 'block'; 

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 hide(layer_ref) { 

state = 'none'; 

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 hideAll() {
state = 'none';
if (document.all) { //IS IE 4 or 5 (or 6 beta) 
eval( "document.all.aboutUsMenu.style.display = state");
eval( "document.all.corporateStructureMenu.style.display = state");
eval( "document.all.pressRoomMenu.style.display = state");
eval( "document.all.corporateResponsibilityMenu.style.display = state");
eval( "document.all.communityMenu.style.display = state");
eval( "document.all.careersMenu.style.display = state");
} 
if (document.layers) { //IS NETSCAPE 4 or below 
document.layers[aboutUsMenu].display = state;
document.layers[corporateStructureMenu].display = state;
document.layers[pressRoomMenu].display = state; 
document.layers[corporateResponsibilityMenu].display = state;
document.layers[communityMenu].display = state;
document.layers[careersMenu].display = state;
} 
if (document.getElementById &&!document.all) { 
hza = document.getElementById(aboutUsMenu); 
hza.style.display = state;
hza = document.getElementById(corporateStructureMenu); 
hza.style.display = state;
hza = document.getElementById(pressRoomMenu); 
hza.style.display = state;
hza = document.getElementById(corporateResponsibilityMenu); 
hza.style.display = state;
hza = document.getElementById(communityMenu); 
hza.style.display = state;
hza = document.getElementById(careersMenu); 
hza.style.display = state; 
}
}