[解決済み] How to make the HTML link activated by clicking on the <li>?

Question

I have the following markup,

<ul id="menu">              
    <li><a href="#">Something1</a></li>
    <li><a href="#">Something2</a></li>
    <li><a href="#">Something3</a></li>
    <li><a href="#">Something4</a></li>
</ul>

The <li> is a bit big, with a small image on its left, I have to actually click on the <a> to activate the link. How can I make a click on the <li> activate the link?

Edit1:

ul#menu li
{
    display:block;
    list-style: none;
    background: #e8eef4 url(images/arrow.png) 2% 50% no-repeat;
    border: 1px solid #b2b2b2;
    padding: 0;
    margin-top: 5px;
}

ul#menu li a
{

    font-weight: bold;
    text-decoration: none;
    line-height: 2.8em;
    padding-right:.5em;
    color: #696969;
}

How to solved?

#menu li { padding: 0px; }
#menu li a { margin: 0px; display: block; width: 100%; height: 100%; }

It may need some tweaking for IE6, but that's about how you do it.