window.onload=initForms;

function initForms() {
  //allforms = document.getElementsByTagName("form");
  myForm = document.getElementById("myform");
  myForm.onsubmit = function() { return addNode(); }
  nodeChangingArea = document.getElementById("output");
}

function addNode() {
  var keyText = document.getElementById("keyword").value;
  var homeText = document.getElementById("homepage").value;
  var newText = "javascript:if('%s') location.href='";
  newText += keyText + "'; else location.href='";
  newText += homeText + "';";

  var textNode = document.createTextNode(newText)
  var newPara = document.createElement("p");
  newPara.appendChild(textNode);
  nodeChangingArea.appendChild(newPara);
  return false;
}