function weekOn() {
  document.getElementById('week').className = "btnWeekActive"
  document.getElementById('month').className = "btnMonth"
  document.getElementById('year').className = "btnYear"
  document.getElementById('alltime').className = "btnAllTime"
}




function monthOn() {
  document.getElementById('week').className = "btnWeek"
  document.getElementById('month').className = "btnMonthActive"
  document.getElementById('year').className = "btnYear"
  document.getElementById('alltime').className = "btnAllTime"
}




function yearOn() {
  document.getElementById('week').className = "btnWeek"
  document.getElementById('month').className = "btnMonth"
  document.getElementById('year').className = "btnYearActive"
  document.getElementById('alltime').className = "btnAllTime"
}



function alltimeOn() {
  document.getElementById('week').className = "btnWeek"
  document.getElementById('month').className = "btnMonth"
  document.getElementById('year').className = "btnYear"
  document.getElementById('alltime').className = "btnAllTimeActive"
}