<!--
/**
 * 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 mySetCookie ( name, value, expires, path, domain, secure ) 
{
    document.cookie = name + "=" + escape(value) +
        ( (expires) ? "; expires=" + expires.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 myGetCookie ( name ) 
{
	var returnValue = null;
    var cookie = document.cookie;
    var prefix = name + "=";
    var begin = cookie.indexOf("; " + prefix);
	
    if ( begin == -1 ) 
	{
        begin = cookie.indexOf( prefix );
        if ( begin != 0 ) 
		{
			begin = -1;
		}
    } else 
	{
        begin += 2;
    }
	
	if ( begin >= 0 )
	{
	    var end = cookie.indexOf( ";", begin );
	    if ( end == -1 ) 
		{
	        end = cookie.length;
	    }
	    returnValue = unescape( cookie.substring( begin + prefix.length, end ) );
	}
	
	return returnValue;
}

/**
 * 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 myDeleteCookie ( name, path, domain ) 
{
    if ( myGetCookie( name ) ) 
	{
        document.cookie = name + "=" +
            ( (path) ? "; path=" + path : "" ) +
            ( (domain) ? "; domain=" + domain : "" ) +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}
//-->