(function ($) {
  jQuery.expr[':'].Contains = function(a,i,m){
      return (a.textContent || a.innerText || "").toUpperCase().indexOf(m[3].toUpperCase())>=0;
  };

  function filterList(header, list) {
    var form = $("<form>").attr({"class":"filterform","action":"#"}),
        input = $("<input>").attr({"class":"filterinput","type":"text"});
    $(form).append(input).appendTo(header);

    $(input)
      .change( function () {
        var filter = $(this).val();
        if(filter) {

		  $matches = $(list).find('a:Contains(' + filter + ')').parent();
		  $('li', list).not($matches).slideUp();
		  $matches.slideDown();

        } else {
          $(list).find("li").slideDown();
        }
        return false;
      })
    .keyup( function () {
        $(this).change();
    });
  }

  $(function () {
    filterList($("#form"), $("#list"));
  });
}(jQuery));



<div id="wrap">
<div class="product-head">
  <h1>Product Search</h1>
    <div id="form"></div>
    <div class="clear"></div>
</div>
  <ul id="list">
		<li><img src="products/apple.png" width="30" height="30" align="absmiddle"/> <a href="#/Apple/">Apple</a></li>
		<li><img src="products/acorn_squash.png" width="30" height="30" align="absmiddle"/> <a href="#/Squash/">Acorn Squash</a></li>
		<li><img src="products/broccoli.png" width="30" height="30" align="absmiddle"/> <a href="#/Broccoli/">Broccoli</a></li>
		<li><img src="products/carrot.png" width="30" height="30" align="absmiddle"/> <a href="#/Carrot/">Carrot</a></li>
		<li><img src="products/celery.png" width="30" height="30" align="absmiddle"/> <a href="#/Celery/">Celery</a></li>
		<li><img src="products/lettuce.png" width="30" height="30" align="absmiddle"/> <a href="#/Lettuce/">Lettuce</a></li>
		<li><img src="products/mushroom.png" width="30" height="30" align="absmiddle"/> <a href="#/Mushroom/">Mushroom</a></li>
		<li><img src="products/onion.png" width="30" height="30" align="absmiddle"/> <a href="#/Onion/">Onion</a></li>
		<li><img src="products/potato.png" width="30" height="30" align="absmiddle"/> <a href="#/Potato/">Potato</a></li>
		<li><img src="products/pumpkin.png" width="30" height="30" align="absmiddle"/> <a href="#/Pumpkin/">Pumpkin</a></li>
		<li><img src="products/radish.png" width="30" height="30" align="absmiddle"/> <a href="#/Radish/">Radish</a></li>
	    <li><img src="products/squash.png" width="30" height="30" align="absmiddle"/> <a href="#/Squash/">Squash</a></li>
    	<li><img src="products/strawberry.png" width="30" height="30" align="absmiddle"/> <a href="#/strawberry/">Strawberry</a></li>
        <li><img src="products/sugar_snap.png" width="30" height="30" align="absmiddle"/> <a href="#/SugarSnaps/">Sugar Snaps</a></li>
        <li><img src="products/tomato.png" width="30" height="30" align="absmiddle"/> <a href="#/tomato/">Tomato</a></li>
	</ul>
</div>

http://papermashup.com/jquery-list-filtering/

Jquery List Filter

list, jquery, filter

jQuery