rem: column_node = columns[++i]; 
context: function enable_sort_menuitems(){  var columns = document.getElementsByTagName('outlinercol');  var i = 0;  var column_node = columns[i];  var menuitem = document.getElementById('fill_after_this_node');  menuitem = menuitem.nextSibling  while (column_node && menuitem) {    if (column_node.getAttribute("hidden") == "true")      menuitem.setAttribute("disabled", "true");    else      menuitem.removeAttribute("disabled");    menuitem = menuitem.nextSibling;    column_node = columns[++i];  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/30694439f6a0230bce8981c054f9fae02b8f0313/nsOutlinerSorting.js/clean/xpfe/global/resources/content/nsOutlinerSorting.js