jQuery Accordion active by url?

Question

Header script section.

$(document).ready(function(){
    var show_link = '/hr/resitration'; // That is current url.
    var accordion = $("#accordion");
    active = ???? // How to found activ url???
    accordion.accordion({
        header: "h3",
        active: active,
        autoHeight: false
    });
});

in HTML section

<div id="accordion">
    <h3><a href="#">Dashboard</a></h3>
    <div>
        <ul>
            <li><a href="/dashboard/my" >My works</a></li>
            <li><a href="/dashboard/send" >Send works</a></li>
        </ul>
    </div>
    <h3><a href="#">HR</a></h3>
    <div>
        <ul>
            <li><a href="/hr/resitration?add=true" >Add Staff</a></li>
            <li><a href="/hr/resitration" >Staff list</a></li>
            <li>Config
                <ul>
                <li><a href="/hr/schools" >Schools</a></li>
                <li><a href="/hr/role" >Roles</a></li>
                </ul>
            </li>
        </ul>
    </div>
</div>

Answer 1

I think this will get you close:

active = accordion.find("a[href="+show_link+"]").parents("h3");

Answer 2

var links =  accordion.find("a");
active = links.find("[href=/hr/resitration]").index();