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

	'icon_e'  : '/_images/empty.gif', // empty image
	'icon_l'  : '/_images/line.gif',  // vertical line
	
	'icon_48' : '/_images/base.gif',   // root icon normal
	'icon_52' : '/_images/base.gif',   // root icon selected
	'icon_56' : '/_images/base.gif',   // root icon opened
	'icon_60' : '/_images/base.gif',   // root icon selected
	
	'icon_16' : '/_images/folder.gif', // node icon normal
	'icon_20' : '/_images/folderopen.gif', // node icon selected
	'icon_24' : '/_images/folder.gif', // node icon opened
	'icon_28' : '/_images/folderopen.gif', // node icon selected opened

	'icon_0'  : '/_images/page.gif', // leaf icon normal
	'icon_4'  : '/_images/page.gif', // leaf icon selected
	'icon_8'  : '/_images/page.gif', // leaf icon opened
	'icon_12' : '/_images/page.gif', // leaf icon selected
	
	'icon_2'  : '/_images/joinbottom.gif', // junction for leaf
	'icon_3'  : '/_images/join.gif',       // junction for last leaf
	'icon_18' : '/_images/menu_bullet-closed.gif', // junction for closed node
	'icon_19' : '/_images/menu_bullet-closed.gif',       // junctioin for last closed node
	'icon_26' : '/_images/menu_bullet-open.gif',// junction for opened node
	'icon_27' : '/_images/minus.gif'       // junctioin for last opended node
}