$(document).ready(
function () {

    if (achirdIndexUrl == null) {

        //alert("achirdIndexUrl is null!");
        return;
    }

    var elem = document.getElementById('toolbar-nav');

    if (elem == null) {

        //alert("no element with ID=toolbar-nav found!");
        return;
    }

    var newLi = document.createElement("li");

    newLi.className = 'zone';
    newLi.innerHTML = '<a style="display:inline-block;width:80px;background:transparent url(/_layouts/images/achird/index.gif) 0 -3px;" href="' + achirdIndexUrl + '">&nbsp;</a>';

    elem.appendChild(newLi);

    //alert("globalIndexLink created");
}
);