@charset "utf-8";
/* CSS Document */
body{
 margin:0px;padding:0px;
}
ul,li{
 margin:0px;padding:0px; list-style:none;
}
.nav{
 width:700px;height:43px;
}
.nav ul{
 width:700px;margin-top:3px;margin-left:0px;margin-right:0px;
}
.nav ul li{
 float:left;width:100px;height:43px;
}
.nav ul li a{
  display:block;height:43px;
}
.btn1,.btn2,.btn3,.btn4,.btn5,.btn6,.btn7{
 background-image:url(../images/nav_bj2.jpg);
}

.btn1{
 background-position:-37px -4px;
}
.btn1 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-37px -59px;
}
.btn2{
 background-position:-137px -4px;
}
.btn2 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-137px -59px;
}
.btn3{
 background-position:-237px -4px;
}
.btn3 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-237px -59px;
}

.btn4{
 background-position:-337px -4px;
}
.btn4 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-337px -59px;
}
.btn5{
 background-position:-437px -4px;
}
.btn5 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-437px -59px;
}
.btn6{
 background-position:-537px -4px;
}
.btn6 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-537px -59px;
}
.btn7{
 background-position:-637px -4px;
}
.btn7 a:hover{
 background-image:url(../images/nav_bj2.jpg);background-position:-637px -59px;
}