function BlurHintedField(field) { if (field.value == '') { field.value = field.title; }	}
function FocusHintedField(field) { if (field.value == field.title) { field.value = ''; } }
function CheckSearchEntry(field) {  if (field.value == '' || field.value == field.title) { alert("Please enter some search terms"); return false; } else { return true; } }

window.onload = function() {
  // Init search query field
  var searchForm = document.getElementById('search');
  var searchField = searchForm.query;
  searchField.onfocus = function() { FocusHintedField(searchField); }
  searchField.onblur = function() { BlurHintedField(searchField); }
  searchForm.onsubmit = function() { return CheckSearchEntry(searchField); }
}