count = 0;
data = new Array(
	"image/m_concept.gif",
	"image/m_concept_mo.gif",
	"image/m_roomtype_single.gif",
	"image/m_roomtype_single_mo.gif",
	"image/m_roomtype_twin.gif",
	"image/m_roomtype_twin_mo.gif",
	"image/m_roomtype_kos.gif",
	"image/m_roomtype_kos_mo.gif",
	"image/m_guide.gif",
	"image/m_guide_mo.gif",
	"image/m_accessmap.gif",
	"image/m_accessmap_mo.gif",
	"image/m_reservation.gif",
	"image/m_reservation_mo.gif",
	"image/m_link.gif",
	"image/m_lonk_mo.gif",
	"image/m_home.gif",
	"image/m_home_mo.gif"
);
prImg = new Array();
for (i=0; i<data.length; i++)
{
	prImg[i] = new Image();
	prImg[i].src =data[i];
}
function menu(i, str) {document.images[i].src = str; }