function preload_img() {
			img_init = true;
			}
		preload_img();
menu = new Array(7);

	menu[1] = new Array(
		bulin =	false,
		ov_x = 32,
		ov_y = 360,
		ov_w = 82,
		ov_h = 25,
		act_x = 32,
		act_y = 232,
		act_w = 150,
		act_h = (5*28)
	);
	menu[2] = new Array(
		bulin =	false,
		ov_x = 215,
		ov_y = 360,
		ov_w = 139,
		ov_h = 25,
		act_x = 215,
		act_y = 284,
		act_w = 210,
		act_h = (3*28)
	);
	menu[3] = new Array(
		bulin =	false,
		ov_x = 354,
		ov_y = 360,
		ov_w = 178,
		ov_h = 25,
		act_x = 354,
		act_y = 68,
		act_w = 210,
		act_h = (12*28)
	);
	menu[4] = new Array(
		bulin =	false,
		ov_x = 532,
		ov_y = 360,
		ov_w = 99,
		ov_h = 25,
		act_x = 532,
		act_y = 188,
		act_w = 190,
		act_h = (7*28)
	);
// ov_x, ov_y ... levy horni roh tlacitka menu
// ov_w, ov_h ... sirka a vyska tlacitka menu
// act_x, act_y ... levy horni roh submenu
// act_w, act_h ... sirka a vyska submenu