toolHandlers.highlight_clear = new Object();
toolHandlers.highlight_clear.doop = toolClearHighlight;

function toolClearHighlight() {
  document.processa.SelectionLayerIds.value = "";
  document.processa.SelectionLayerNames.value = "";
  document.processa.SelectionWhereClauses.value = "";
  document.processa.HighlightLayerIds.value = "";
  document.processa.HighlightLayerNames.value = "";
  document.processa.HighlightWhereClauses.value = "";
  toolRefreshDoOp();
}