function doTooltip(e, ar) {
    if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
    var cntnt = wrapTipContent(ar);
    var tip = document.getElementById( Tooltip.tipID );
    Tooltip.show(e, cntnt);
}

function hideTip() {
    if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
    Tooltip.hide();
}

function wrapTipContent( ar ) {
    var cntnt = "";
    if ( ar[0] ) cntnt += '<div class="img"><img src="' + ar[0] + '"></div>';
    return cntnt;
}