$('#searchString').keyup(function(){
        console.log('instant: ',instant);
        //instant on content not replaced
        if(instant && !replaced){
            if($(this).val().length >= 3){
                log('length: >=3');
                replaced = true;
                oldc = $('#mainContent').html();
                $('#mainContent').fadeOut('fast', function(){
                    $('#mainContent').html(loader);
                    chrome.extension.sendRequest({
                        'action' : 'searchGeneral',
                        'search' : $('#searchString').val(),
                        'type' : $('#searchType').val()
                    }, showResult);

                });
            }
        }
        //instant on and content replaced
        else if(instant && replaced){
            log('instant: true - replaced: true');
            if($(this).val().length >= 3){
                log('length; >= 3');
                $('#mainContent').fadeOut('fast', function(){
                    $('#mainContent').html(loader)
                    chrome.extension.sendRequest({
                        'action' : 'searchGeneral',
                        'search' : $('#searchString').val(),
                        'type' : $('#searchType').val()
                    }, showResult);
                });
            }
            else if($(this).val() == ''){
                log('length: == 0')
                $('#mainContent').fadeOut('fast', function(){
                    $('#mainContent').html(oldc)
                });
                replaced = false;
            }
        }
    });