var dbug = 0;

function getCookie (name) {
	if (dbug) alert("getCookie");
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			var endstr = document.cookie.indexOf (";", j);
			if (endstr == -1) endstr = document.cookie.length;
			return unescape(document.cookie.substring(j, endstr));
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
	}
	return "";
}
function setCookie (name, value) {
	if (dbug) alert("setCookie");
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +
		((secure == true) ? "; secure" : "");
}
function deleteCookie (name) {
	if (dbug) alert("deleteCookie");
	var argv = deleteCookie.arguments;
	var argc = deleteCookie.arguments.length;
	var value = getCookie (name);
	var expires = new Date();
	expires.setTime (expires.getTime() - 1);
	var path = (argc > 1) ? argv[1] : null;
	var domain = (argc > 2) ? argv[2] : null;
	var secure = (argc > 3) ? argv[3] : false;
	setCookie (name, value, expires, path, domain, secure);
}

function dumpCookies() {
	if (dbug) alert("dumpCookies");
	var win = window.open("","","width=500,height=200,toolbar=0,navigation=0,status=0");
	if (window.document.cookie == "") win.document.write("No Cookies Found");
	else {
		thisCookie = window.document.cookie.split(";");
		for (i=0; i<thisCookie.length; i++) {
			win.document.write(thisCookie[i] + "<br>");
		}
	}
}