{source}
<script src="/images/poisk/jquery-3.3.1.js" type="text/javascript"></script>
<script type="text/javascript">// <![CDATA[
(function ($) {
// custom css expression for a case-insensitive contains()
jQuery.expr[':'].Contains = function(a,i,m){
return (a.textContent || a.innerText || "").toUpperCase().indexOf(m[3].toUpperCase())>=0;
};
function filterList( header,list) {
// header is any element, list is an unordered list
// create and add the filter form to the header
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 () {
// fire the above change event after every letter
$(this).change();
});
}
//ondomready
$(function () {
filterList($("#form"), $("#list"));
});
}(jQuery));
// ]]></script>
{/source}