function displayTagsList() {
    document.getElementById('tmpl_nlArchiveList_ctl01_tag_block_list').style.display = "block";
    document.getElementById('tmpl_nlArchiveList_ctl01_tag_block_popular').style.display = "none";
    document.cookie =
  'isl-portfolio-column=list; expires=; path=/'
}

function displayTagsPopular() {
    document.getElementById('tmpl_nlArchiveList_ctl01_tag_block_list').style.display = "none";
    document.getElementById('tmpl_nlArchiveList_ctl01_tag_block_popular').style.display = "block";
    document.cookie =
  'isl-portfolio-column=popular; expires=; path=/'

}