/*
<script type="text/javascript" src="./cookies.js"></script>

var user = getCookie("ya_jugo");
if( !Boolean(user) ) { setCookie ("ya_jugo", 1, getExpDate(180, 0, 0)); }
deleteCookie("ya_jugo");

Utility function to retrieve an expiration date in proper format;
pass three integer parameters for the number of days, hours, and minutes from now you want the cookie to expire (or negative values for a past date);
all three parameters are required, so use zeros where appropriate

*/
function getExpDate(days, hours, minutes)
{
    var expDate = new Date();
    if (typeof days == "number" && typeof hours == "number" &&  typeof hours == "number")
	{
        expDate.setDate(expDate.getDate( ) + parseInt(days));
        expDate.setHours(expDate.getHours( ) + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes( ) + parseInt(minutes));
        return expDate.toGMTString( );
    }
}

// utility function called by getCookie()
function getCookieVal(offset)
{
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
	{
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
}

// primary function to retrieve cookie by name
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 "";
}

// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie = name + "=" + escape (value) + ((expires) ? "; expires=" + expires : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

// remove the cookie by setting ancient expiration date
function deleteCookie(name,path,domain)
{
    if (getCookie(name))
	{
        document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}