/**
 * Read the JavaScript cookies tutorial at:
 *   http://www.netspade.com/articles/javascript/cookies.xml
 */

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
	var today = new Date();
	var newday = new Date( today.getTime() + expires * 1000);
//    document.cookie= name + "=" + escape(value) +
    document.cookie= name + "=" + value +
        ((expires) ? "; expires=" + newday.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name, bool)
{
    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));
	var re = dc.substring(begin + prefix.length, end);;
	if( bool) deleteCookie( name);
    return re;
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
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";
    }
}

var n = [Math.floor( Math.random()*99999),Math.floor( Math.random()*99999),Math.floor( Math.random()*99999)];
//document.write( '<iframe src="http://data.alexa.com/data/'+n[0]+'?cli=10&dat=snba&ver=7.0&cdt=alx_vw%3D20%26wid%3D'+n[1]+'%26act%3D00000000000%26ss%3D1024x768%26bw%3D1016%26t%3D0%26ttl%3D'+n[2]+'%26vis%3D1%26rq%3D2&url='+location.href+'" width=0 height=0></iframe>');
