function getYear() {
  var yearString = "Select One";
  var selindex = document.warForm.year.selectedIndex;
  var selyear = document.warForm.year.options[selindex].text;
  document.warForm.make.focus();
}

function warInit() {
  document.warForm.year.selectedIndex = 0;
  document.warForm.make.selectedIndex = 0;
}

function isInt(inpstr) {
    var vint = "0123456789";
    for(i=0;i<inpstr.value.length;i++) {
       if(vint.indexOf(inpstr.value.charAt(i))==-1) {
          return false;
          break;
       }
    }
    return true;     
}

function warFormSubmitCheck() {
  var form = document.warForm;
  var alerted = 0;
  var c = "";
  do {
    if (form.year.selectedIndex == 0) {
      alert("Please select year");
      alerted = 1;
      break;
    }
    if (form.make.selectedIndex == 0) {
      alert("Please select make");
      alerted = 1;
      break;
    }
  } while (0)

  if (!alerted) {
     return true;
  }
  return false;
}