[jQuery] Rewrite $('slide-images').getElementsByTagName('li'); with JQuery

[Mehdi Saghari]

<div id="slide-show">
     <ul id="slide-images">
        <li><a href="accordion1.jpg" class="thickbox" rel="gallery-
plants">
        <img src="accordion1.jpg" alt="One"   title="One"   /></a></li>
        <li><a href="accordion2.jpg" class="thickbox" rel="gallery-
plants">
        <img src="accordion2.jpg" alt="Two"   title="Two"   /></a></li>
        <li><a href="accordion3.jpg" class="thickbox" rel="gallery-
plants">
        <img src="accordion3.jpg" alt="Three" title="Three" /></a></li>
     </ul>
</div>

how can i rewrite this function using JQuery ?!
function init() {
    var lis = $('slide-images').getElementsByTagName('li');
    for( i=0; i < lis.length; i++){
        if(i!=0){
        lis[i].style.display = 'none';
        }
   }
   LastPic = lis.length -1;
}