function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} else
		begin += 2;
		var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

function open_window(page_url, page_title, params) {
	window.open(page_url, page_title, params);
	return false;
}

function win_opener(page_url, page_title, params) {
	window.open(page_url, page_title, params);
	return false;
}