(function( $ ) {
    
    /*
     * USAGE
     * Types: text / input
     * Separator: string
     */
    
    $.fn.currency = function(options) {
        var settings = $.extend({
            type: 'text', 
            separator: ',', 
            valuta: 'FT'
        },options);
        
        var num = 0;
        
        if (settings.type==='text') {
            num = parseFloat(this.html());
        }
        else if (settings.type==='input') {
            num = parseFloat(this.val());
        }
        
        if(isNaN(num)) { num = 0; }
        
        if (settings.type==='text') {
            this.html(num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1"+settings.separator)+' '+settings.valuta);
        }
        else if (settings.type==='input') {
            this.val(num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1"+settings.separator)+' '+settings.valuta);
        }
    };

}( jQuery ));