var cury_config = [] ; function curchange(scur, ecur, price, pointNumber)
    {
        if(!scur || !ecur || !price) return 0;
        price = parseInt(price);
        if(isNaN(price) || price<=0) return 0;
        var key = scur+'2'+ecur;
        if(!cury_config || !cury_config[key]) return 0;
        var p = price / cury_config[key];
        if(typeof pointNumber == 'undefined' || !pointNumber) pointNumber = 0;
        pointNumber = parseInt(pointNumber);
        if(isNaN(pointNumber) || pointNumber <= 0) pointNumber = 0;
        if(pointNumber > 0){
            return number_format(p, pointNumber, '');
        }
        p = Math.round(p);
        return p;
    }