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$.expr[':'].Contains = $.expr.createPseudo(function(arg) {
return function( elem ) {
return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
};
});
$(document).ready(function() {
// add event button labeled "filter"
$('#filter_button').click(function(event) {
// get value
var filter_val = $('#filter_input').val();
if(filter_val == '') {
// show all
$('tbody tr').show();
} else {
// show only matches
$('tbody tr:Contains(\'' + filter_val + '\')').show();
// hide non-matching items
$('tbody tr:not(:Contains(\'' + filter_val + '\'))').hide();
}
});
// add event button labeled "clear"
$('#filter_clear').click(function(event) {
$('#filter_input').val('');
$('#filter_button').click();
});
// trigger filter when enter key pressed
$('#filter_input').keyup(function(event){
if(event.keyCode == 13){
$('#filter_button').click();
}
});
});