Cufon.replace('.nav', { forceHitArea:true, hover: true, 
    fontFamily: "Calibri"
});
Cufon.replace('#nav', { forceHitArea:true, hover: true, 
    fontFamily: "Calibri"
});

Cufon.replace('.title', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('#title', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('.booktitle', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('#booktitle', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('.sbtn', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('#sbtn', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('.gbtn', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});
Cufon.replace('#gbtn', { forceHitArea:true, hover: true, 
    fontFamily: "Century"
});