windowResize = function() {
  var citeDiv = document.getElementById("cite");

  if (citeDiv.offsetHeight < 250) {
    if (citeDiv.className != "citelinessmall") {citeDiv.className = "citelinessmall"};
  } else {
    if (citeDiv.className != "citelines") {citeDiv.className = "citelines"};
  }
}

if (window.addEventListener) {
  window.addEventListener("resize", windowResize, false);
  window.addEventListener("load", windowResize, false);
} else if (window.attachEvent) { //  IE
  window.attachEvent("onresize", windowResize);
  window.attachEvent("onload", windowResize);
}