function initializePaging() {
  hideAllPages();
  updatePageNavigation();
  document.getElementById('pagingNavigationTop').style.display='block';  
  document.getElementById('pagingNavigationBottom').style.display='block';  
}


function hidePage (number) {
  var page = document.getElementById('page_' + number);
  page.style.display='none';
}

function showPage (number) {
  var page = document.getElementById('page_' + number);
  page.style.display='block';
}                    

function hideAllPages() {
  for (i = 1; i <= numberOfPages;i++) {
    if (i != currentPage) {
      hidePage(i);
    }
  }
}

function updatePageNavigation() {
  var htmlContent = 'bl&auml;ttern&nbsp;&nbsp;&nbsp;<a href="#" onclick="javascript:previousPage();"><img src="/zeitung/template/default/gfx/common/arrowl.jpg" width="6" height="7" /></a>';
  for (i = 1; i <= numberOfPages; i++) {
    if (i == currentPage) {
      htmlContent = htmlContent + '&nbsp;&nbsp;Seite ' + i;
    } else {
      htmlContent = htmlContent + '&nbsp;&nbsp;<a href="#" onclick="javascript:switchToPage(' + i + ');"  style="text-decoration: underline;">Seite ' + i + '</a>';
    }
  }
  htmlContent = htmlContent + '&nbsp;<a href="#" onclick="javascript:nextPage();"><img src="/zeitung/template/default/gfx/common/arrowr.jpg" width="6" height="7" /></a>';
  document.getElementById('pagingNavigationTop').innerHTML=htmlContent;
  document.getElementById('pagingNavigationBottom').innerHTML=htmlContent;    
}

function nextPage() {
  switchToPage(currentPage + 1);
}

function previousPage() {
  switchToPage(currentPage - 1);
}  

function switchToPage(number) {
	if ((number >= 1) && (number <= numberOfPages)) {
    hidePage(currentPage);
    showPage(number);
    currentPage=(number);
    updatePageNavigation();
    reloadOewaLog();    
    reloadAds();
  }
}