highlight codes

<!---SEARCH + HIGHLIGHT CODE BY EURHIPIDES (ELISIONTHEMES)---->
<script>
$.expr[":"].contains = $.expr.createPseudo(function(arg) {
    return function( elem ) {
        return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
    };
});
$(document).ready(function(){
     $('#searchfor').keyup(function() {
        var key = event.keyCode || event.charCode;
        var searchedText = $('#searchfor').val();
        if( key == 13) {
            if ($(".content:contains('"+ searchedText +"')").length > 0 ) {
                $('.noresult').fadeOut();
            }
            else {
                $('.noresult').fadeIn();
            }
        }
     });
});
</script>

     <script style="text/javascript" src="http://static.tumblr.com/9y86jzv/bovnsdesg/highlight.css"></script>

<script>
$(document).ready(function(){
     $('#searchfor').keypress(function (e) {
        var key = e.which;
        var searchedText = $('#searchfor').val();
        if(key == 13) {
            $('.content').highlight( searchedText );
        }
     });
});
</script>

<script>
$(document).ready(function(){
     $('#searchfor').keyup(function() {
        var key = event.keyCode || event.charCode;
        if (key == 8 || key == 46) {
            $('.content').removeHighlight();
            $('.noresult').fadeOut();
        }
     });
});
</script>
<!----END SEARCH + HIGHLIGHT CODES---->