function frmtCurrency(ele,symb,val,code,cls) {
    // round the currency to the nearest .05
    val *= 2.0;
    val = val.toFixed(1) / 2.0;
    val = val.toFixed(2);
    // build the text in the form: '$' '12.35' 'USD'
    ele.html(symb+' '+val+code );
    // add the currency code to the element class.
    ele.addClass(cls);
}

function convertCurrency(obj, from_value) {
    var $this = $(obj);
    
    
    if ($this.attr('rel')) {
        var prms = $this.attr('rel').split(':'); /*"USD:EUR:€"*/
        var fAmnt = from_value;
        var cCode = '';
        // check if the exchange rate has been retrieved today
        var cookieVal = $.cookie('currencyrate'+prms[0]+prms[1]);
        if (cookieVal != null) {
            frmtCurrency($this,prms[2],fAmnt*parseFloat(cookieVal),cCode,prms[1]);
        } else {
            try {
                reqAjax = $.ajax({
                    type: "POST",
                    url: '/currency-ajax.php',
                    dataType: "json",
                    data: "action=rate" + "&currfrom=" + prms[0] + "&currto=" + prms[1],
                    success: function(json) {
                        switch (json.errcode) {
                            case 'ERR-100':
                                $.cookie('currencyrate'+prms[0]+prms[1],json.result,{expires: 6, path: '/' });
                                frmtCurrency($this,prms[2],fAmnt*parseFloat(json.result),cCode,prms[1]);
                                break;
                            case 'ERR-200':
                                break;
                            default:
                                break
                        }
                    },
                    error: function(xhr, msg, ex) {
                        reqAjax = null
                    }
                })
            } catch(e) {
            }
        }
    }
}