Using keypress() and keyup() when using an onscreen keyboard -

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i have lovely piece of code drives search box on php page, making search box dynamic, , works perfectly. i'm trying adapt it, , @ bit of loss.

at moment search must done on keyboard make search work. keypress() , keyup() functions within script.

my problem i'm trying use search onscreen keyboard , no physical keyboard, there never keypress or keyup.

is there can do think replace these.

would best add amended version of code below (without keypress/keyup) each onclick of onscreen keyboard, or amend code react onscreen clicks?

thanks if can help

<!--javascript turn keystrokes search value-->   <script type="text/javascript">     $(document).ready(function () {        // hide submit button       $(":submit").hide();        // bind event keypress in order override form submission when pressing enter key       $("input[name='search_term']").keypress(function (e) {         if (e.which == 13) {           // prevent form submitting in normal manner (return key)           e.preventdefault();         }       });        // bind event keypress event of text box       $("input[name='search_term']").keyup(function () {         // search value         var search_value = $(this).val();          // time we're going grab data file display         var filename = "functions/search.php";          // send these values         var posting = $.post(filename, { search_term: search_value });          // display value in our results container         posting.done(function (data) {           $("#search_results").empty().append(data);         });       });      });   </script>


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