baseHREF = "/service/g-link/g-book/";
headerBtnSel = false;
if (document.images) {
	headerBtn = new Array();
	headerBtn[1] = new Image(); headerBtn[1].src = baseHREF + 'include/images/h_close_on.gif';
	headerBtnSel = new Image();
}
function HI(n) {
	if (!headerBtnSel) return;
	headerBtnSel.src = document.images['head' + n].src;
	document.images['head' + n].src = headerBtn[n].src;
}
function HO(n) {
	if (!headerBtnSel) return;
	document.images['head' + n].src = headerBtnSel.src;
}