#myslidemenu
{
width: 528px;
background: url(../images/menu_off.png) no-repeat 0 0;
}

.jquerycssmenu ul li{background-image: url(../images/menu_on.png);}

#channel1{width:126px;  height:27px; }
#channel2{width:124px; height:27px;}
#channel3{width:140px; height:27px;}
#channel4{width:138px; height:27px;}



#channel1.over{background-position:-401px 0;}
#channel2.over{background-position:-278px 0;}
#channel3.over{background-position:-138px 0;}
#channel4.over{background-position:0 0;}