Edit in JSFiddle

$(document).ready(function () {
                var cssText = { 'font-size': '30px', 'color': 'aqua' };
                $("#henry").click(function () {
                    $("#tt").next().css(cssText);
                });
                $("#fabregas").click(function () {
                    $("#fab").next().css(cssText);
                });
                $("#rocisky").click(function () {
                    $("#mozart").next().css(cssText);
                });
                $("#vermaelen").click(function () {
                    $("#verminator").next().css(cssText);
                });
                $("#wolcott").click(function () {
                    alert("This is the last element. There is nothing next to this!!");
                });
                $("#reset").click(function () {
                    location.reload();
                });
            });
<html>
        <head>
        <title>next</title>
        </head>
        <body>
        <b>List of Players</b>
        <ul>
        <li id="tt">Thierry Henry</li>
        <li id="fab">Cesc Fabregas</li>
        <li id="mozart">Tomas Rocisky</li>
        <li id="verminator">Thomas Vermaelen</li>
        <li id="fastandfurious">Theo Wolcott</li>
        </ul><br />
        <input type="button" id="henry" value="Next of Henry" />
        <input type="button" id="fabregas" value="Next of Fabregas" />
        <input type="button" id="rocisky" value="Next of Rocisky" />
        <input type="button" id="vermaelen" value="Next of Vermaelen" />
        <input type="button" id="wolcott" value="Next of Wolcott" />
        <input type="button" id="reset" value="Reset" />
        </body>
        </html>