/* ------------------------------------------------------------------------- */

function prepareStats( session_id ) {
    if( getCookie( "cookiesVersion" ) != "1.1" ) {
        setCookie( "cookiesVersion", "1.1", "365", "", "", "" );
        delCookie( "lastSessionId", "", "" );
        delCookie( "comeBack", "", "" );
    }

    var lastSessionId = getCookie( "lastSessionId" );
    if( lastSessionId == null ) {
        setCookie( "lastSessionId", session_id, "365", "", "", "" );
        setCookie( "comeBack", 0, "365", "", "", "" );
    }
    else if( lastSessionId != session_id ) {
        setCookie( "lastSessionId", session_id, "365", "", "", "" );
        setCookie( "comeBack", ( getCookie( "comeBack" ) * 1 ) + 1, "365", "", "", "" );
    }
    
    setCookie( "screen_width", screen.width, "365", "", "", "" );
    setCookie( "screen_height", screen.height, "365", "", "", "" );
    setCookie( "screen_colorDepth", screen.colorDepth, "365", "", "", "" );
    setCookie( "screen_availWidth", screen.availWidth, "365", "", "", "" );
    setCookie( "screen_availHeight", screen.availHeight, "365", "", "", "" );
    setCookie( "javascript", true, "365", "", "", "" );
}

/* ------------------------------------------------------------------------- */