The options object you pass at initialization contains all of the configuration options for the tree.
You could save some time and pass only the properties that are different from the defaults:
Configuration defaults
{ data : { type : "predefined", // ENUM [json, xml_flat, xml_nested, predefined] method : "GET", // HOW TO REQUEST FILES async : false, // BOOL - async loading onopen async_data : function (NODE) { return { id : $(NODE).attr("id") || 0 } }, // PARAMETERS PASSED TO SERVER url : false, // FALSE or STRING - url to document to be used (async or not) json : false, // FALSE or OBJECT if type is JSON and async is false - the tree dump as json xml : false // FALSE or STRING }, selected : false, // FALSE or STRING or ARRAY opened : [], // ARRAY OF INITIALLY OPENED NODES languages : [], // ARRAY of string values (which will be used as CSS classes - so they must be valid) path : false, // FALSE or STRING (if false - will be autodetected) cookies : false, // FALSE or OBJECT (prefix, open, selected, opts - from jqCookie - expires, path, domain, secure) ui : { dots : true, // BOOL - dots or no dots rtl : false, // BOOL - is the tree right-to-left animation : 0, // INT - duration of open/close animations in miliseconds hover_mode : true, // SHOULD get_* functions chage focus or change hovered item scroll_spd : 4, theme_path : false, // Path to themes theme_name : "default",// Name of theme context : [ { id : "create", label : "Create", icon : "create.png", visible : function (NODE, TREE_OBJ) { if(NODE.length != 1) return false; return TREE_OBJ.check("creatable", NODE); }, action : function (NODE, TREE_OBJ) { TREE_OBJ.create(false, TREE_OBJ.get_node(NODE)); } }, "separator", { id : "rename", label : "Rename", icon : "rename.png", visible : function (NODE, TREE_OBJ) { if(NODE.length != 1) return false; return TREE_OBJ.check("renameable", NODE); }, action : function (NODE, TREE_OBJ) { TREE_OBJ.rename(); } }, { id : "delete", label : "Delete", icon : "remove.png", visible : function (NODE, TREE_OBJ) { var ok = true; $.each(NODE, function () { if(TREE_OBJ.check("deletable", this) == false) ok = false; return false; }); return ok; }, action : function (NODE, TREE_OBJ) { $.each(NODE, function () { TREE_OBJ.remove(this); }); } } ] }, rules : { multiple : false, // FALSE | CTRL | ON - multiple selection off/ with or without holding Ctrl metadata : false, // FALSE or STRING - attribute name (use metadata plugin) type_attr : "rel", // STRING attribute name (where is the type stored if no metadata) multitree : false, // BOOL - is drag n drop between trees allowed createat : "bottom", // STRING (top or bottom) new nodes get inserted at top or bottom use_inline : false, // CHECK FOR INLINE RULES - REQUIRES METADATA clickable : "all", // which node types can the user select | default - all renameable : "all", // which node types can the user select | default - all deletable : "all", // which node types can the user delete | default - all creatable : "all", // which node types can the user create in | default - all draggable : "none", // which node types can the user move | default - none | "all" dragrules : "all", // what move operations between nodes are allowed | default - none | "all" drag_copy : false, // FALSE | CTRL | ON - drag to copy off/ with or without holding Ctrl droppable : [], drag_button : "left" }, lang : { new_node : "New folder", loading : "Loading ..." }, callback : { // various callbacks to attach custom logic to // before focus - should return true | false beforechange: function(NODE,TREE_OBJ) { return true }, beforeopen : function(NODE,TREE_OBJ) { return true }, beforeclose : function(NODE,TREE_OBJ) { return true }, // before move - should return true | false beforemove : function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, // before create - should return true | false beforecreate: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, // before rename - should return true | false beforerename: function(NODE,LANG,TREE_OBJ) { return true }, // before delete - should return true | false beforedelete: function(NODE,TREE_OBJ) { return true }, onJSONdata : function(DATA,TREE_OBJ) { return DATA; }, onselect : function(NODE,TREE_OBJ) { }, // node selected ondeselect : function(NODE,TREE_OBJ) { }, // node deselected onchange : function(NODE,TREE_OBJ) { }, // focus changed onrename : function(NODE,LANG,TREE_OBJ,RB) { }, // node renamed ISNEW - TRUE|FALSE, current language onmove : function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { }, // move completed (TYPE is BELOW|ABOVE|INSIDE) oncopy : function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { }, // copy completed (TYPE is BELOW|ABOVE|INSIDE) oncreate : function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { }, // node created, parent node (TYPE is createat) ondelete : function(NODE, TREE_OBJ,RB) { }, // node deleted onopen : function(NODE, TREE_OBJ) { }, // node opened onopen_all : function(TREE_OBJ) { }, // all nodes opened onclose : function(NODE, TREE_OBJ) { }, // node closed error : function(TEXT, TREE_OBJ) { }, // error occured // double click on node - defaults to open/close & select ondblclk : function(NODE, TREE_OBJ) { TREE_OBJ.toggle_branch.call(TREE_OBJ, NODE); TREE_OBJ.select_branch.call(TREE_OBJ, NODE); }, // right click - to prevent use: EV.preventDefault(); EV.stopPropagation(); return false onrgtclk : function(NODE, TREE_OBJ, EV) { }, onload : function(TREE_OBJ) { }, onfocus : function(TREE_OBJ) { }, ondrop : function(NODE,REF_NODE,TYPE,TREE_OBJ) {} } }