Posizionamento menu' su png unica

[a.felix]

Cosi' non da' errori ma non funziona neanche..

	var pg_Home="Test.html";
	var pg_Giocatori="pag2.html";
	var pg_Servizi="pag3.html";
	var pg_News="pag4.html";
	var pg_Newsletters="pag5.html";
	var pg_Contatti="pag6.html";
	var H_position = "-153px";
	
	
	var sPath = window.location.pathname;
	var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
	
	switch (sPage) {
  case pg_Home:
    document.getElementById('gn-Home').style.backgroundPosition  = "0px -153px";
  break;
  case pg_Giocatori:
    document.getElementById('gn-Giocatori').style.backgroundPosition  = "-141px " + H_position ;
  break;
  case pg_Servizi:
    document.getElementById('gn-Servizi').style.backgroundPosition  = "-282px " + H_position ;
  break;
    case pg_News:
    document.getElementById('gn-News').style.backgroundPosition  = "-423x " + H_position ;
  break;
    case pg_Newsletters:
    document.getElementById('gn-Newsletters').style.backgroundPosition  = "-564px " + H_position ;
  break;
    case pg_Contatti:
    document.getElementById('gn-Contatti').style.backgroundPosition  = "-705px " + H_position ;
  break;

  default:

}