/* --- geometry and timing of the menu --- */
var MENU_POS = new Array();

	// item sizes for different levels of menu
	MENU_POS['height']     = [18, 22, 22];
	//MENU_POS['width']      = [120, 120, 180, 180];
	MENU_POS['width']      = ["", 174, 174];
	
	// menu block offset from the origin:
	//  for root level origin is upper left corner of the page
	//  for other levels origin is upper left corner of parent item
	MENU_POS['block_top']  = [127, 24, 0, 0];
	MENU_POS['block_left'] = [6, 15, 161, 181];

	// offsets between items of the same level
	MENU_POS['top']        = [0, 22, 22];
	MENU_POS['left']       = [93, 0, 0];

	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	MENU_POS['hide_delay'] = [200, 200];

/* --- dynamic menu styles --- */

var MENU_STYLES = new Array();

	
	// state when item has mouse over it 
	
	// default item state when it is visible but doesn't have mouse over
	MENU_STYLES['onmouseout'] = [
		'background', ['', '#66CC33', '#66CC33'],
		'color', ['#FFFFFF', '#FFFFFF', '#FFFFFF'],
	];
	
	MENU_STYLES['onmouseover'] = [ 
		'background', ['', '#FFFF99', '#FFFF99'], 
		'color', ['#FFFF99', '#66CC33', '#66CC33'], 
	];

	
	// state when mouse button has been pressed on the item
	MENU_STYLES['onmousedown'] = [
		'background', ['', '#FFFF00', '#FFFF00'],
		'color', ['#FFFF55', '#66CC33', '#66CC33'],
	];
	
