ÿþfunction showpay() {



    var term = document.getElementById("tbxMonths").value;

    //var e = document.getElementById("tbxMonths");

    //var term = e.options[e.selectedIndex].value;

    var intr = document.getElementById("tbxInterest").value;

    //e = document.getElementById("tbxInterest");

    //var intr = e.options[e.selectedIndex].value;

    e = document.getElementById("h-value");

    var princ = e.innerHTML;



    if (!check_term(term) || !check_intr(intr) || !check_princ(princ)) {

        document.getElementById("monthlyRate").innerHTML = "Pogrea
ni podaci!";

        return 0;

    }

    else {

        intr = intr / 1200;

        var result = princ * intr / (1 - (Math.pow(1 / (1 + intr), term)));

        result = Math.round(result * Math.pow(10, 2)) / Math.pow(10, 2);

        document.getElementById("monthlyRate").innerHTML = "Mjese

na rata: " + result;

    }

}







function check_term(value) {

    if ((!isNaN(parseInt(value))) && (parseFloat(value) == parseInt(value)) && (value > 0) && (value <= 600)) {

        return true;

    }

    else {

        return false;

    }

}



function check_princ(value) {

    if ((!isNaN(parseInt(value))) && (parseFloat(value) == parseInt(value)) && (value > 0) && (value <= 300000)) {

        return true;

    }

    else {

        return false;

    }

}



function check_intr(value) {

    if ((!isNaN(parseFloat(value))) && (value > 0) && (value <= 50)) {

        return true;

    }

    else {

        return false;

    }

}