function init() {
    show_menu();
    window.onresize = register;
     register(event);
}

function register(e)
{
	if (!e) e = window.event;
	if (e.type == 'resize') {
          show_menu();
	}
	return true;
}

function show_menu() {
document.all.menu_main.style.pixelLeft = (document.body.clientWidth - 760)/2
document.all.menu_main.style.pixelTop= 235
}

function show_sub01() {
document.all.submenu01.style.pixelLeft = document.all.menu_main.style.pixelLeft + document.all.menu_main.style.pixelWidth - 7
document.all.submenu01.style.pixelTop= 244;
document.all.submenu01.style.visibility = "visible";
}

function hide_sub01() {
document.all.submenu01.style.visibility = "hidden";
}

function show_sub02() {
document.all.submenu02.style.pixelLeft = document.all.menu_main.style.pixelLeft + document.all.menu_main.style.pixelWidth + 116
document.all.submenu02.style.pixelTop= 244;
document.all.submenu02.style.visibility = "visible";
}

function hide_sub02() {
document.all.submenu02.style.visibility = "hidden";
}