// JavaScript Document
function clearFieldFirstTime1(element) {
  if (element.counter1==undefined) {
  element.counter1 = 1;
  }

  else {
  element.counter1++;
  }

  if (element.counter1 == 1) {
  element.value = '';
  }
}         

function clearFieldFirstTime2(element) {
  if (element.counter2==undefined) {
  element.counter2 = 1;
  }

  else {
  element.counter2++;
  }

  if (element.counter2 == 1) {
  element.value = '';
  }
}   

function clearFieldFirstTime3(element) {
  if (element.counter3==undefined) {
  element.counter3 = 1;
  }

  else {
  element.counter3++;
  }

  if (element.counter3 == 1) {
  element.value = '';
  }
}   

function clearFieldFirstTime4(element) {
  if (element.counter4==undefined) {
  element.counter4 = 1;
  }

  else {
  element.counter4++;
  }

  if (element.counter4 == 1) {
  element.value = '';
  }
}   

function clearFieldFirstTime5(element) {
  if (element.counter5==undefined) {
  element.counter5 = 1;
  }

  else {
  element.counter5++;
  }

  if (element.counter5 == 1) {
  element.value = '';
  }
}