rem: var tree = column.parentNode.parentNode; var col = tree.columns.getColumnFor(column); tree.view.cycleHeader(col); 
add: var column = document.getElementById(columnId); SortColumnElement(column); 
context: function SortColumn(column){  var tree = column.parentNode.parentNode;  var col = tree.columns.getColumnFor(column);  tree.view.cycleHeader(col);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/908459f60f97f94fe30697189bd637fb0a6a3f83/nsTreeSorting.js/clean/xpfe/global/resources/content/nsTreeSorting.js