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

        // item sizes for different levels of menu
        MENU_POS['height']     = [20, 20];
        MENU_POS['width']      = [100, 100];

        // 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']  = [5, 23];
        MENU_POS['block_left'] = [15, 0];

        // offsets between items of the same level
        MENU_POS['top']        = [0, 23];
        MENU_POS['left']       = [111, 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 ---
note: you can add as many style properties as you wish but be not all browsers
are able to render them correctly. The only relatively safe properties are
'color' and 'background'.
*/

var MENU_STYLES = new Array();

        // default item state when it is visible but doesn't have mouse over
        MENU_STYLES['onmouseout'] = [
                'background', ['#7181BF', '#7181BF'],
                'color', ['#ffffff', '#ffffff'],
        ];

        // state when item has mouse over it
        MENU_STYLES['onmouseover'] = [
                'background', ['#7181BF', '#ffffff'],
                'color', ['#ffffff', '#323F80'],
        ];

        // state when mouse button has been pressed on the item
        MENU_STYLES['onmousedown'] = [
                'background', ['#C7D0F6', '#C7D0F6'],
                'color', ['#323F80', '#323F80'],
        ];