gistfile1.txt

 $(function(){
    function toFixed(x, n) { //x - число, n - количество знаков
        if(isNaN(x) || isNaN(n)) return false;
        var m = Math.pow(10,n);
        return Math.round(x*m)/m;
    }

    var items = document.querySelectorAll("*[data-price]");
    for (var i = 0, l = items.length; i < l; i++) {
        var fix = parseInt(items[i].getAttribute("data-fixed"), 10) || 0;
        var base = parseFloat(items[i].getAttribute("data-price")) || 1;
        var price = base * 70;            
        items[i].innerHTML = numberFormatter("# ###.", toFixed(price, fix))                    
    }
})