function init() {
    
    // IE6 doesn't understand NodeFilter
    if (typeof NodeFilter != "undefined") {

        // Replace all title attributes w/ tooltips.  Tooltips accept
        // HTML, can be styled and don't break on line-breaks in the text.
        var iCount = 0;
        var walker = document.createTreeWalker(document.lastChild, NodeFilter.SHOW_ELEMENT, null, false);
        var oNode = walker.nextNode();
        while (oNode) {
            if (oNode.getAttribute("title") != null) {
                new YAHOO.widget.Tooltip("tt" + ++iCount, {context:oNode});
            }
            oNode = walker.nextNode();
        }
    }
}
YAHOO.util.Event.addListener(window, "load", init);