//deadcrow.com cookie mainipulation routines . top - 20010223

function GetCookieVal (offset) 
{
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
    endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) 
{
    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)
    	return GetCookieVal (j);
    	i = document.cookie.indexOf(" ", i) + 1;
    	if (i == 0) break; 
    }
    return null;
}

function SetCookie(name, value)
{
    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) 
{
    var exp = new Date();
    exp.setTime (exp.getTime() - 1); 
    var cval = GetCookie (name);
    if (cval != null)
    {
    	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
	 }
}

//deadcrow.com cookie mainipulation routines . bottom - 20010223