/*
 *  display next set of suggestions
 *
 *  global  int   pageCount     how many sets
 *  @global int   currentPage   which set is showing
 *  @return void
 */

function nextSuggestions()
{
  if (pageCount > 1) {
    document.getElementById("suggest_page" + currentPage).style.display = "none";
    if (++currentPage > pageCount) {
      currentPage = 1;
    }
    document.getElementById("suggest_page" + currentPage).style.display = "block";
  }
}

/*
 *  display previous set of suggestions
 *
 *  global  int   pageCount     how many sets
 *  @global int   currentPage   which set is showing
 *  @return void
 */

function prevSuggestions()
{
  if (pageCount > 1) {
    document.getElementById("suggest_page" + currentPage).style.display = "none";
    if (--currentPage == 0) {
      currentPage = pageCount;
    }
    document.getElementById("suggest_page" + currentPage).style.display = "block";
  }
}