.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfloat {
    clear: both;
    height: 0px;
}
.main_nav {
    margin-top:-1px;
}
a.menu {width:106px;white-space: nowrap;color:#000000;font-size:16px;text-decoration: none;border-top:1px solid #cccccc;padding-top:20px;height:34px;line-height:34px;text-align:center;}  
A.menu:link{color:#000000;}
A.menu:visited{color:#000000;}
A.menu:active{color:#000000;}
A.menu:hover{color:#ffffff;background:url(menu_now.jpg);border-top:1px solid #1982d9;}


a.menunow {width:106px;white-space: nowrap;color:#ffffff;font-size:16px;text-decoration: none;background:url(menu_now.jpg);border-top:1px solid #1982d9;padding-top:20px;height:34px;line-height:34px;text-align:center;} 
A.menunow:link{color:#ffffff;}
A.menunow:visited{color:#ffffff;}
A.menunow:active{color:#ffffff;}
A.menunow:hover{color:#ffffff;}

#head_top {
    height:160px;
}
.head_top {
    width:1000px;margin:0 auto;
}

.logo {
    width:255px;height:54px;float:left;
}
.head_nav {
     width:745px;
}
.head_tel {
    width:745px;height:46px;border-bottom:1px solid #cccccc;padding-top:10px;
}
.tel {
    margin-right:22px;
}
.logo {
    margin-top:56px;
}