var BarDef = {
	"style" : { }
	"scroller" : { }
	"itemover" : { },
	"position" : { },
	"items" : [ ]
}; 

items - submenu items
style - box - item/box style
itemover - box - item style when in "mouseover" state
position - box position (either relative or absolute)

"items" : [
"style"
{
	css	 : string				 : CSS class
	size	 : [width, height]			 : item width/height
	align	 : string				 : text alignment
						   (left/right/center/middle)
	color	 : string				 : color string for the text
	bgimg	 : string				 : url of the background image
	bgcolor	 : string				 : color string
	shadow	 : { "color" : string, "width" : int }	 : shadow parameters
	border	 : { "color" : string, "width" : int }	 : border parameters
	imgitem	 : { "src" : string, "width" : int, "height" : int } :
						   bullet image for
						   non-submenu (bar) or
						   plain (tree) items or
						   default bullet for
						   a menu item
	imgdir	 : {
		"src" : string,
		"width" : int, "height" : int
	}
	 : bullet image for submenu items
	imgdiropen : {
		"src" : string,
		"width" : int, "height" : int
	}
	 : bullet image for open submenu with items
	imgendon : {
		"src" : string,
		"width" : int, "height" : int
	}
	 : end item bullet when in "on" or "opened" state
	imgendoff : {
		"src" : string,
		"width" : int, "height" : int
	}
	 : end item bullet when in "off" or "closed" state
	z	 : int				 : z - index
	opacity	 : int				 : opacity
},
"scroller" : {
	"style" : {
		...
	},
	"styleover" : {
		...
	},
	"up" : url, "down" : url,
	"height" : int, 		//scroller's height
	"step" : int, 		//step to scroll by
	"time" : int, 		//pause in milliseconds
	"len" : int,		//length in pixels to scroll
	"offset" : int		//if scroller size smaller
				//that bar size set margin from the left side
} // describes the scrollers set
]