var activated = false;
var quickSearch = document.getElementById("search");
quickSearch.style.fontStyle = 'italic';
quickSearch.value = quickSearchColumn;

function disableSearch() { 
  quickSearch.disabled = true;
  document.getElementById("quickSearchBtn").style.display = "none";
}

function quickSearchActivated( item ) {
  activated = true;
  item.select();
}

function normaliseField(item) {
  item.style.fontStyle = 'normal';
}

function unactiviate( item ) {
  if (item.value == null || item.value == "" || item.value == quickSearchColumn) {
    activated = false;
    item.blur();
    item.style.fontStyle = 'italic';
    item.value = quickSearchColumn;
  }
}

function performQuickSearch( item ) {
  if (activated && (quickSearch.value != null && quickSearch.value != "")) {
    document.forms['quicksearchForm'].submit();
  } else {
    alert("Please enter text for quick search");
    unactiviate(quickSearch);
    quickSearch.select();
    return false;
  }
}