var lunch = new Array();

var currentLunch = 1;
var lunchElement;



function initLunch() {
  lunchElement = document.getElementById('lunchDesc');
  if(lunch.length > 1) {
    changeLunch();
  } else if(lunch.length > 0) {
    lunchElement.innerHTML = lunch[0];
  }
}

function changeLunch() {
  currentLunch++;
  if(currentLunch >= lunch.length)
    currentLunch = 0;

  lunchElement.innerHTML = lunch[currentLunch];
  
  setTimeout(changeLunch, 5000);
}