folderClosed = new Image(16,16);
folderClosed.src='/style/simple/16/html-menu-treeview/folderClosed.gif';
plusNodeClosed = new Image(16,16);
plusNodeClosed.src='/style/simple/16/html-menu-treeview/plusNodeClosed.gif';
lastPlusNodeClosed = new Image(16,16);
lastPlusNodeClosed.src='/style/simple/16/html-menu-treeview/lastPlusNodeClosed.gif';
clasicPlusNodeClosed = new Image(16,16);
clasicPlusNodeClosed.src='/style/simple/16/html-menu-treeview/clasicPlusNodeClosed.gif';
clasicLastPlusNodeClosed = new Image(16,16);
clasicLastPlusNodeClosed.src='/style/simple/16/html-menu-treeview/clasicLastPlusNodeClosed.gif';
