function pageOver(dir, no) {
	switch(no) {
	case 1:
		document.images['page1'].src = dir + "images/page_menu_beside_ro.gif";
		break;
	case 2:
		document.images['page2'].src = dir + "images/page_menu_menu_ro.gif";
		break;
	case 3:
		document.images['page3'].src = dir + "images/page_menu_wine_ro.gif";
		break;
	case 4:
		document.images['page4'].src = dir + "images/page_menu_party_ro.gif";
		break;
	case 5:
		document.images['page5'].src = dir + "images/page_menu_form_ro.gif";
		break;
	}
}
function pageOut(dir, no) {
	switch(no) {
	case 1:
		document.images['page1'].src = dir + "images/page_menu_beside.gif";
		break;
	case 2:
		document.images['page2'].src = dir + "images/page_menu_menu.gif";
		break;
	case 3:
		document.images['page3'].src = dir + "images/page_menu_wine.gif";
		break;
	case 4:
		document.images['page4'].src = dir + "images/page_menu_party.gif";
		break;
	case 5:
		document.images['page5'].src = dir + "images/page_menu_form.gif";
		break;
	}
}