function cgtab(no) {
	for ( var i = 1; i <= 3; i++) {
		document.getElementById('tab' + i).className = '';
		document.getElementById('cmtListPart' + i).style.display = 'none';
	}
	document.getElementById('tab' + no).className = 'on';
	document.getElementById('cmtListPart' + no).style.display = 'block';
}

function change_opt(obj) {
	this.document.location.href = obj.value;
}
var pre_page, next_page;
function page(evt) {
	var e = evt ? evt : top.window.event;
	if (e.keyCode == 37) {
		pre_page = (pre_page == '#T') ? "/" : pre_page;
		window.location.href = pre_page;
	}
	if (e.keyCode == 39 || e.keyCode == 192) {
		next_page = (next_page == '#T') ? "/" : next_page;
		window.location.href = next_page;
	}
}
function click_pic(o) {
	if (event.offsetX <= o.clientWidth / 2) {
		pre_page = (pre_page == '#T') ? "/" : pre_page;
		window.location.href = pre_page;
	} else {
		next_page = (next_page == '#T') ? "/" : next_page;
		window.location.href = next_page;
	}
}
function change_style(o) {
	var event = event == null ? top.window.event : event;
	if (event.offsetX <= o.clientWidth / 2) {
		if (!o.style.cursor.match("pre")) {
			o.style.cursor = "/files/img/pre.cur";// "NW-resize";
		}
	} else if (!o.style.cursor.match("next")) {
		o.style.cursor = "/files/img/next.cur";
	}
	return;
}
function download_next(pic_path) {
	document.getElementById("pix_next_download").src = pic_path;
}