/* This is where you can customize the appearance of the tooltip */
    div#tipDiv {
      position:absolute; visibility:hidden; left:0; top:0; z-index:10000;
    }
    /* These are used in the wrapTipContent function */
    div#tipDiv div.img { text-align:center }
    div#tipDiv div.txt { text-align:center; margin-top:4px }