zzFontSize = {
    inited: false,
    
    sizes:{
        SMALL:      '',
        MEDIUM:     'ctl00_fsMedium',
        LARGE:      'ctl00_fsLarge'
    },
    
    setSize: function ( newSize ) {
        if ( newSize && zzElement.hasClassName ( document.body, newSize ) ) {
            return;
        }
        
        for ( i in zzFontSize.sizes ) {
            var sizeName = zzFontSize.sizes[i];
            if ( sizeName ) {
                if ( sizeName == newSize) {
                    zzElement.addClassName ( document.body, sizeName );
                    document.getElementById(sizeName).disabled = false;         
                } else {
                    zzElement.removeClassName ( document.body, sizeName );         
                    document.getElementById(sizeName).disabled = true;         
                }
            } 
        }
    }
};