sortable related

sortable related


Hi,
I am using following structure in my HTML page to sort various
elements. This structure is generated dynamically.
<ul id="a1">
    <li id="a1b1">
        <ul id="a1b1c1">
            <li id="a1b1c1d1">
                <ul id="a1b1c1d1e1">
                    <li id="a1b1c1d1e1f1">
                    </li>
                    <li id="a1b1c1d1e1f1">
                    </li>
                </ul>
            </li>
            <li id="a1b1c1d2">
                <ul id="a1b1c1d2e1">
                    <li id="a1b1c1d2e1f1">
                    </li>
                    <li id="a1b1c1d2e1f2">
                    </li>
                </ul>
            </li>
        </ul>
    </li>
    <li id="a1b2">
        <ul id="a1b2c1">
            <li id="a1b2c1d1">
                <ul id="a1b2c1d1e1">
                    <li id="a1b2c1d1e1f1">
                    </li>
                    <li id="a1b2c1d1e1f2">
                    </li>
                </ul>
            </li>
            <li id="a1b2c1d2">
                <ul id="a1b2c1d2e1">
                    <li id="a1b2c1d2e1f1">
                    </li>
                    <li id="a1b2c1d2e1f2">
                    </li>
                </ul>
            </li>
        </ul>
    </li>
</ul>
If I use following code explicitly then sortable works fine.
$("#a1").sortable({});
$("#a1b1c1").sortable({});
$("#a1b1c1d1e1").sortable({});
My problem here is since <ul> ids are generated then how can I place
code like above lines in <scipt> tag?
I tried $("#a1").sortable({items:"li"}); but it allows to drag and
drop in any parent element where I want to restrict.
Can anyone guide me on this?
Thanks,
Bhavin