Menu Control

Css:-
body {
    font-size: 100%;
    background:#32373d;
}
a {
    text-decoration: none;
}
ul, ul ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
#wrapper {   
    width: 220px;
    margin: 100px auto;
    font-size: 0.8125em;
}
.menu {
    width: auto;
    height: auto;
    -webkit-box-shadow: 0px 1px 3px 0px rgba(0,0,0,.73), 0px 0px 18px 0px rgba(0,0,0,.13);
    -moz-box-shadow: 0px 1px 3px 0px rgba(0,0,0,.73), 0px 0px 18px 0px rgba(0,0,0,.13);
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,.73), 0px 0px 18px 0px rgba(0,0,0,.13);
}
.menu > li > a {
    background-color: #616975;
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgb(114, 122, 134)),to(rgb(80, 88, 100)));
    background-image: -webkit-linear-gradient(top, rgb(114, 122, 134), rgb(80, 88, 100));
    background-image: -moz-linear-gradient(top, rgb(114, 122, 134), rgb(80, 88, 100));
    background-image: -o-linear-gradient(top, rgb(114, 122, 134), rgb(80, 88, 100));
    background-image: -ms-linear-gradient(top, rgb(114, 122, 134), rgb(80, 88, 100));
    background-image: linear-gradient(top, rgb(114, 122, 134), rgb(80, 88, 100));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#727a86', EndColorStr='#505864');
    border-bottom: 1px solid #33373d;
    -webkit-box-shadow: inset 0px 1px 0px 0px #878e98;
    -moz-box-shadow: inset 0px 1px 0px 0px #878e98;
    box-shadow: inset 0px 1px 0px 0px #878e98;
    width: 100%;
    height: 2.75em;
    line-height: 2.75em;
    text-indent: 2.75em;
    display: block;
    position: relative;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 600;
    color: #fff;
    text-shadow: 0px 1px 0px rgba(0,0,0,.5);
}
.menu ul li a {
    background: #fff;
    border-bottom: 1px solid #efeff0;
    width: 100%;
    height: 2.75em;
    line-height: 2.75em;
    text-indent: 2.75em;
    display: block;
    position: relative;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.923em;
    font-weight: 400;
    color: #878d95;
}
.menu ul li:last-child a {
    border-bottom: 1px solid #33373d;
}
.menu > li > a:hover, .menu > li > a.active {
    background-color: #35afe3;
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgb(69, 199, 235)),to(rgb(38, 152, 219)));
    background-image: -webkit-linear-gradient(top, rgb(69, 199, 235), rgb(38, 152, 219));
    background-image: -moz-linear-gradient(top, rgb(69, 199, 235), rgb(38, 152, 219));
    background-image: -o-linear-gradient(top, rgb(69, 199, 235), rgb(38, 152, 219));
    background-image: -ms-linear-gradient(top, rgb(69, 199, 235), rgb(38, 152, 219));
    background-image: linear-gradient(top, rgb(69, 199, 235), rgb(38, 152, 219));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#45c7eb', EndColorStr='#2698db');
    border-bottom: 1px solid #103c56;
    -webkit-box-shadow: inset 0px 1px 0px 0px #6ad2ef;
    -moz-box-shadow: inset 0px 1px 0px 0px #6ad2ef;
    box-shadow: inset 0px 1px 0px 0px #6ad2ef;
}
.menu > li > a.active {
    border-bottom: 1px solid #1a638f;
}
.menu > li > a:before {
    content: '';
    background-image: url(../images/sprite.png);
    background-repeat: no-repeat;
    font-size: 36px;
    height: 1em;
      width: 1em;
    position: absolute;
      left: 0;
    top: 50%;
    margin: -.5em 0 0 0;
}
.item1 > a:before {
    background-position: 0 0;
}
.item2 > a:before {
    background-position: -38px 0;
}
.item3 > a:before {
    background-position: 0 -38px;
}
.item4 > a:before {
    background-position: -38px -38px;
}
.item5 > a:before {
    background-position: -76px 0;
}
.menu > li > a span {
    font-size: 0.857em;
    display: inline-block;
    position: absolute;
    right: 1em;
    top: 50%;
    background: #48515c;
    line-height: 1em;
    height: 1em;
    padding: .4em .6em;
    margin: -.8em 0 0 0;
    color: #fff;
    text-indent: 0;
    text-align: center;
    -webkit-border-radius: .769em;
    -moz-border-radius: .769em;
    border-radius: .769em;
    -webkit-box-shadow: inset 0px 1px 3px 0px rgba(0, 0, 0, .26), 0px 1px 0px 0px rgba(255, 255, 255, .15);
    -moz-box-shadow: inset 0px 1px 3px 0px rgba(0, 0, 0, .26), 0px 1px 0px 0px rgba(255, 255, 255, .15);
    box-shadow: inset 0px 1px 3px 0px rgba(0, 0, 0, .26), 0px 1px 0px 0px rgba(255, 255, 255, .15);
    text-shadow: 0px 1px 0px rgba(0,0,0,.5);
    font-weight: 500;
}
.menu > li > a:hover span, .menu > li a.active span {
    background: #2173a1;
}
.menu > li > ul li a:before{
    content: '▶';
    font-size: 8px;
    color: #bcbcbf;
    position: absolute;
    width: 1em;
    height: 1em;
    top: 0;
    left: -2.7em;
}

.menu > li > ul li:hover a,
.menu > li > ul li:hover a span,
.menu > li > ul li:hover a:before {
    color: #32373D;
}


.menu ul > li > a span {
    font-size: 0.857em;
    display: inline-block;
    position: absolute;
    right: 1em;
    top: 50%; /
    background: #fff;
    border: 1px solid #d0d0d3;
    line-height: 1em;
    height: 1em;
    padding: .4em .7em;
    margin: -.9em 0 0 0;
    color: #878d95;
    text-indent: 0;
    text-align: center;
    -webkit-border-radius: .769em;
    -moz-border-radius: 769em;
    border-radius: 769em;
    text-shadow: 0px 0px 0px rgba(255,255,255,.01));
}



Script:-
 <script type="text/javascript">
            $(function () {
                var menu_ul = $('.menu > li > ul'),
                menu_a = $('.menu > li > a');

                menu_ul.hide();

                menu_a.click(function (e) {
                    e.preventDefault();
                    if (!$(this).hasClass('active')) {
                        //menu_a.removeClass('active');
                        menu_ul.filter(':visible').slideUp('normal');
                        $(this).addClass('active').next().stop(true, true).slideDown('normal');
                    } else {
                        $(this).removeClass('active');
                        $(this).next().stop(true, true).slideUp('normal');
                    }
                });

            });
        </script>



Aspx Code:-
  <div style="float:left; width:180px; top:-100px; position:relative;" id="wrapper">
                         <ul class="menu">
                                   <li class="item1"><a href="#">Menu1 <span style="background-color:#616975;"><img src="../../Images/admin.png"  width="30" height="30" /></span></a>
                                       <ul>
                                            <li class="subitem1"><a href="#">SunMenu1 <span>Text</span></a></li>
                                            <li class="subitem2"><a href="#"> SunMenu2 <span>6</span></a></li>
                                            <li class="subitem3"><a href="#"> SunMenu3 <span>2</span></a></li>
                                        </ul>
                                    </li>
                                    <li class="item2"><a href="#">Menu2</a>
                                        <ul>
                                            <li class="subitem1"><a href="#">SunMenu1</a></li>
                                            <li class="subitem2"><a href="#"> SunMenu2 <span>6</span></a></li>
                                            <li class="subitem3"><a href="#"> SunMenu3 <span>2</span></a></li>
                                        </ul>
                                    </li>
                                    <li class="item3"><a href="#">Menu3</a>
                                         <ul>
                                            <li class="subitem1"><a href="#">SunMenu1</a></li>
                                            <li class="subitem2"><a href="#"> SunMenu2 <span>6</span></a></li>
                                            <li class="subitem3"><a href="#"> SunMenu3 <span>2</span></a></li>
                                        </ul>
                                    </li>
                                    <li class="item4"><a href="#">Menu4</a>
                                         <ul>
                                            <li class="subitem1"><a href="#">SunMenu1</a></li>
                                            <li class="subitem2"><a href="#"> SunMenu2 <span>6</span></a></li>
                                            <li class="subitem3"><a href="#"> SunMenu3 <span>2</span></a></li>
                                        </ul>
                                    </li>
                                    <li class="item5"><a href="#">Menu5</a>
                                         <ul>
                                            <li class="subitem1"><a href="#">SunMenu1</a></li>
                                            <li class="subitem2"><a href="#"> SunMenu2 <span>6</span></a></li>
                                            <li class="subitem3"><a href="#"> SunMenu3 <span>2</span></a></li>
                                        </ul>
                                    </li>
                    </ul>

            </div>