var accesohome = new Image()
accesohome.src="p-home-acceso.gif"
var spentohome = new Image()
spentohome.src="p-home-norm.gif"
function cambiahome (stato)
{
	if (stato) 
	document.images["pulsantehome"].src = accesohome.src

	else document.images["pulsantehome"].src = spentohome.src
}