function update_select_options(target, opts_array) {
    if ($(target).type.match('select')) { // Make sure we are dealing with a select field
      var obj = $(target);

      // If any options are already in the select box, clear them
      // before creating the new options.
      if (obj.length > 0) {
        while (obj.hasChildNodes()) {
          obj.removeChild(obj.firstChild);
        }
      }

      // Loop through each option in the array, adding them to the
      // select field.
      for (var i = 0; i < opts_array.length; i++) {
        var o = document.createElement('option');
        o.appendChild(document.createTextNode(opts_array[i][0]));
        o.setAttribute('value', opts_array[i][1]);
        $(target).appendChild(o);
      }
    }
  }

  function update_submit_box(self) {
    var o = document.getElementById('school_submit');
    var loc = self.options[self.selectedIndex].text;

    if (loc) {
      o.value = 'I am currently a student at ' + loc;
      o.style.display = 'block'
    } else {
      o.style.display = 'none'
    }
  }