var button = document.getElementById("sent");
  button.onclick = function() {
    var poshlina;
    var nds;
    var dvig = document.getElementById("dvig").value;
    var akciz;
    var price = parseInt(document.getElementById("price").value);
    var e = document.getElementById("dvig");
    var t = document.getElementById("gas");
    var y = document.getElementById("year");
    var gs = 0;

  if(y.selectedIndex == 0) {

    var diz = [0.102,0.102,0.102,0.063,0.063,0.267,0.267,0.267,0.267,0.276,0.276,0.276,0.276,2.209,2.209,2.209,2.209,2.209,2.209];
    var kef = [0.102,0.102,0.102,0.063,0.063,0.267,0.267,0.267,0.267,0.276,0.276,0.276,0.276,2.209,2.209,2.209,2.209,2.209,2.209];

      if(t.selectedIndex == 0) gs = kef[e.selectedIndex];
else if(t.selectedIndex == 1 ) gs = diz[e.selectedIndex];


      if(t.selectedIndex == 0) akciz = kef[e.selectedIndex] * dvig;
else if(t.selectedIndex == 1) akciz = diz[e.selectedIndex] * dvig
    }

  else if(y.selectedIndex == 1) {

    var diz = [1.367,1.367,1.367,1.367,1.367,1.923,1.923,1.923,1.923,1.923,1.923,1.923,1.923,2.779,2.779,2.779,2.779,2.779,2.779];
    var kef = [1.094,1.094,1.094,1.367,1.367,1.643,1.643,1.643,1.643,2.213,2.213,2.213,2.213,3.329,3.329,3.329,3.329,3.329,3.329];

      if(t.selectedIndex == 0) gs = kef[e.selectedIndex];
       else if(t.selectedIndex == 1 ) gs = diz[e.selectedIndex];

      if(t.selectedIndex == 0) akciz = kef[e.selectedIndex] * dvig;
       else if(t.selectedIndex == 1) akciz = diz[e.selectedIndex] * dvig;
    }

  else if(y.selectedIndex == 2) {

    var diz = [1.761,1.761,1.761,1.761,1.761,2.441,2.441,2.441,2.441,2.441,2.441,2.441,2.441,4.715,4.715,4.715,4.715,4.715,4.715];
    var kef = [1.438,1.438,1.438,1.761,1.761,2.441,2.441,2.441,2.441,4.985,4.985,4.985,4.985,4.985,4.985,4.985,4.985,4.985,4.985];

      if(t.selectedIndex == 0) gs = kef[e.selectedIndex];
       else if(t.selectedIndex == 1 ) gs = diz[e.selectedIndex];

      if(t.selectedIndex == 0) akciz = kef[e.selectedIndex] * dvig;
       else if(t.selectedIndex == 1) akciz = diz[e.selectedIndex] * dvig;
    }

    poshlina = price * 0.1;
    nds = (price + poshlina + akciz) * 0.2;
    nds = Math.round(nds*10)/10
    akciz = Math.round(akciz*10)/10
    var result = document.getElementById("result");
    result.value = nds;
    resulta.value = akciz;
    resultb.value = poshlina;

  };