gametreeroot = new Ext.tree.AsyncTreeNode({
			text : '',
			draggable : false
		});

		gametreeroot.appendChild(new Ext.tree.TreeNode({
			id : "gametreeroot1",
			text : "游戏管理",
			listeners : {
				'click' : function(node, event) {
					doGametreeroot1Action(node, event, maincontent);
				}
			}
		}));

		gametreeroot.appendChild(new Ext.tree.TreeNode({
			id : "gametreeroot2",
			text : "游戏分类",
			listeners : {
				'click' : function(node, event) {
					doGametreeroot2Action(node, event, maincontent);
				}
			}
		}));

		gametreeroot.appendChild(new Ext.tree.TreeNode({
			id : "gametreeroot3",
			text : "手机厂商",
			listeners : {
				'click' : function(node, event) {
					doGametreeroot3Action(node, event, maincontent);
				}
			}
		}));

		gametreeroot.appendChild(new Ext.tree.TreeNode({
			id : "gametreeroot4",
			text : "手机型号",
			listeners : {
				'click' : function(node, event) {
					doGametreeroot4Action(node, event, maincontent);
				}
			}
		}));

		gameTreepanel = new Ext.tree.TreePanel({
			titleCollapse : false,
			rootVisible : false,
			root : gametreeroot,
			useArrows : true,
			autoScroll : true
		});

		gamePanel = new Ext.Panel({
			title : "游戏管理",
			autoShow : true,
			hideMode : "visibility",
			items : [gameTreepanel]
		});

toolbox = new Ext.Panel({
			region : 'west',
			title : '系统菜单',
			maxSize : 300,
			frame : false,
			collapsible : true,
			margins : '0 0 0 5',
			layout : 'accordion',
			width : 210,
			minSize : 150,

			defaults : {
				bodyStyle : "background: transparent;",
				border : true,
				frame : true
			},

			layoutConfig : {
				titleCollapse : true,
				renderHidden : false,
				hideCollapseTool : false,
				renderHidden : false,
				border : true,
				collapseFirst : false,
				animate : true
			},
			items : [gamePanel]

		});