// JavaScript Document

function clearText(theField)
  {
    if (theField.defaultValue == theField.value)
      theField.value = '';
  }
  
  function addText(theField)
  {
    if (theField.value == '')
      theField.value = theField .defaultValue;
  } 

var searchString = '.gif';
    var replaceString = '_mo.gif';
    var menuItems =
    {
      showOver: function(element) {
        element.src = element.src.replace(searchString, replaceString);
      },
      setOut: function(element) {
        element.src = element.src.replace(replaceString, searchString);
        element.style.color = "";
        element.style.padding = "";
      }
    }
    function getElement(el) {
      if (document.getElementById(el)) {
        return document.getElementById(el);
      }
      return null;
    }