Spry Menu Bar Javascript Error - items[i].getElements..."a")[0] is undefined

Question

I have used a spry menu bar on several websites now, and It works very well.
However, I get a javascript error everytime a page loads. Like I said the menu bar works, but i would like my page to run error free.
The error is this  items[i].getElements..."a")[0] is undefined
and it occurs in the following block of code from the spry js file.
// safari doesn't support tabindex
    if (Spry.is.safari)
        this.enableKeyboardNavigation = false;
    if(this.element)
        this.currMenu = this.element;
        var items = this.element.getElementsByTagName('li');
        for(var i=0; i<items.length; i++)
            if (i > 0 && this.enableKeyboardNavigation)
                items[i].getElementsByTagName('a')[0].tabIndex='-1';
            this.initialize(items[i], element);
            if(Spry.is.ie)
                this.addClassName(items[i], this.isieClass);
                items[i].style.position = "static";

Answer 1

Hi,
The problem could be in your HTML-code or even in your modified style sheet.
So that we do not have to guess, please give us these code, preferably by supplying an online URL.
Ben