var tree_tpl = {
	'target'  : 'main',	// '_blank',	// name of the frame links will be opened in
							// other possible values are: _blank, _parent, _search, _self and _top

	'icon_e'  : '/ut/dfn/empty.gif', // empty image
	'icon_l'  : '/ut/dfn/line.gif',  // vertical line

	'icon_32' : '/ut/dfn/tiny.gif',   // '/ut/dfn/tiny.gif', // '/ut/dfn/base.gif',   // root leaf icon normal
	'icon_36' : '/ut/dfn/tiny.gif',   // '/ut/dfn/tiny.gif', //  '/ut/dfn/base.gif',   // root leaf icon selected

	'icon_48' : '/ut/dfn/tiny.gif',   // root icon normal
	'icon_52' : '/ut/dfn/tiny.gif',   // '/ut/dfn/base.gif',   // root icon selected
	'icon_56' : '/ut/dfn/tiny.gif',   //  '/ut/dfn/base.gif',   // root icon opened
	'icon_60' : '/ut/dfn/tiny.gif',   //  '/ut/dfn/base.gif',   // root icon selected

	'icon_16' : '/ut/dfn/tiny.gif', // node icon normal
	'icon_20' : '/ut/dfn/tiny.gif', // '/ut/dfn/folderopen.gif', // node icon selected
	'icon_24' : '/ut/dfn/tiny.gif', // '/ut/dfn/folderopen.gif', // node icon opened
	'icon_28' : '/ut/dfn/tiny.gif', // '/ut/dfn/folderopen.gif', // node icon selected opened

	'icon_0'  : '/ut/dfn/tiny.gif', // '/ut/dfn/page.gif', // leaf icon normal
	'icon_4'  :'/ut/dfn/tiny.gif', //  '/ut/dfn/page.gif', // leaf icon selected

	'icon_2'  : '/ut/dfn/joinbottom.gif', // junction for leaf
	'icon_3'  : '/ut/dfn/join.gif',       // junction for last leaf
	'icon_18' : '/ut/dfn/plusbottom.gif', // junction for closed node
	'icon_19' : '/ut/dfn/plus.gif',       // junctioin for last closed node
	'icon_26' : '/ut/dfn/minusbottom.gif',// junction for opened node
	'icon_27' : '/ut/dfn/minus.gif'       // junctioin for last opended node
};