function startOver()

document.loan_form.kredit.value = "0";
     document.loan_form.iznos_kredita.value = "";
     document.loan_form.mjesec.value = "";
     document.loan_form.notar.value = "0";

     document.getElementById("kamata").innerHTML = "";
     document.getElementById("loan_info").innerHTML = "";
     document.getElementById("table").innerHTML = "";

var kredit = document.loan_form.kredit.value;
     var iznos_kredita = document.loan_form.iznos_kredita.value;
     var mjesec = document.loan_form.mjesec.value;
     var notar = document.loan_form.notar.value;

     if(kredit == 0){
       alert('Molimo odaberite vašu liniju kredita');
       document.loan_form.kredit.value = "";
    }
    else if(iznos_kredita <= 0 || isNaN(Number(iznos_kredita))){
       alert('Molimo unesite željeni iznos.');
       document.loan_form.iznos_kredita.value = "";
    }
    else if(mjesec <= 0 || parseInt(mjesec) !=mjesec){
       alert('Molimo unesite vremenski period otplate kredita.');
       document.loan_form.mjesec.value = "";
    }
    else if(notar <= 0 || isNaN(Number(notar))){
       alert('Molimo unesite iznos notarskog troška.');
       document.loan_form.notar.value = "";
    }

    else{
         calculate (parseInt(iznos_kredita), parseInt(mjesec), parseFloat(notar), parseFloat(kamata));
    }

var kamata = 0;

if(document.getElementById('kredit').value == '1'){
         kamata += 5;
    }
    if(document.getElementById('kredit').value == '2'){
       kamata += 6;
    }
    if(document.getElementById('kredit').value == '3'){
       kamata += 7;
    }
    if(document.getElementById('kredit').value == '4'){
       kamata += 8;
    }

i = kamata/100;
    var mjesecna_rata = iznos_kredita * (i/12) * Math.pow((1 + i/12), mjesec) / (Math.pow((1+i/12),mjesec)-1);

    var info = "";

    info += "<table width = '250'>";
    info += "<tr><td>Iznos kredita:</td>";
    info += "<td align = 'right'>KM "+iznos_kredita+"</td></tr>";

    info += "<tr><td>Period otplate (u mjesecima):</td>";
    info += "<td align = 'right'>"+mjesec+"</td></tr>";

    info += "<tr><td>Kamata:</td>";
    info += "<td align = 'right'>"+kamata+"</td></tr>";

    info += "<tr><td>Iznos mjesečne rate:</td>";
    //info += "<td align = 'right'>KM "+round(mjesecna_rata,2)+"</td></tr>";

    info += "<tr><td>+Notarski troškovi:</td>";
    info += "<td align = 'right'>KM "+notar+"</td></tr>";

    info += "<tr><td>Krajnji iznos:</td>";
    //info += "<td align = 'right'>KM "+round(mjesecna_rata + notar, 2)+"</td></tr>";

    info += "</table>";
    document.getElementById("loan_info").innerHTML = info;

    /*var table = "";

    table += "<table cellpadding = '15' border = '1'>";
    table += "<tr>";

             table += "<td width = '25'>0</td>"
             table += "<td width = '55'>&nbsp</td>"
             table += "<td width = '75'>&nbsp</td>"
             table += "<td width = '60'>&nbsp</td>"
             table += "<td width = '155'>&nbsp</td>"
             table += "<td width = '75'>"+round(iznos_kredita,2)+"</td>"
    table += "</tr>";


    var current_balance = iznos_kredita;
    var payment_counter = 1;
    var total_interest = 0;
    mjesecna_rata = mjesecna_rata + notar;

    while (current_balance > 0){
          towards_interest = (i/12) * current_balance;

          if(mjesecna_rata > current_balance){
             mjesecna_rata = current_balance + towards_interest;
          }

          towards_balance = mjesecna_rata - towards_interest;
          total_interest = total_interest + towards_interest;
          current_balance = current_balance - towards_balance;

         table += "<tr>";
           table += "<td>" + payment_counter + "</td>";
           table += "<td>" + round(mjesecna_rata,2) + "</td>";
           table += "<td>" + round(towards_balance,2) + "</td>";
           table += "<td>" + round(towards_interest,2) + "</td>";
           table += "<td>" + round(total_interest,2) + "</td>";
           table += "<td>" + round(current_balance,2) + "</td>";
         table += "</tr>";
    payment_counter++;

    }

    table += "</table>";
    document.getElementById("table").innerHTML = table;

return (Math. round(num * Math.pow(10, dec)) / Math.pow(10, dec)).toFixed(dec);