/* --- geometry and timing of the menu --- */
var MENU_POS = new Array();
	// item sizes for different levels of menu
	MENU_POS['height'] = [35, 35, 20];
	MENU_POS['width'] = [92, 92, 170];
	// 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'] = [168, 35, 5];
	MENU_POS['block_left'] = [25, 0, 92];
	// offsets between items of the same level
	MENU_POS['top'] = [0, 35, 20];
	MENU_POS['left'] = [92, 0, 0];
	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	MENU_POS['hide_delay'] = [200, 400, 400];
	
var MENU_STYLES = new Array();
	// default item state when it is visible but doesn't have mouse over
	MENU_STYLES['onmouseout'] = [
		'color', ['#000066', '#000066', '#000066'], 
		'background', ['#FFFFFF', '#DDDDDD', '#DDDDDD'],
		'fontWeight', ['normal', 'normal', 'normal'],
		'textDecoration', ['none', 'none', 'none'],
	];
	// state when item has mouse over it
	MENU_STYLES['onmouseover'] = [
		'color', ['#000066', '#000066', '#000066'], 
		'background', ['#CCCCCC', '#CCCCCC', '#CCCCCC'],
		'fontWeight', ['normal', 'bold', 'bold'],
		'textDecoration', ['none', 'underline', 'underline'],
	];
	// state when mouse button has been pressed on the item
	MENU_STYLES['onmousedown'] = [
		'color', ['#000066', '#000066', '#000066'], 
		'background', ['#AAAAAA', '#AAAAAA', '#AAAAAA'],
		'fontWeight', ['normal', 'normal', 'bold'],
		'textDecoration', ['none', 'underline', 'underline'],
	];