UL#menu{
    
    width:100%;
  
  
  
  

  
  
  
  
  
}
UL#menu LI{
    list-style:none;
    float:left;
    width:100px;
  
  
  
}

UL#menu A{
    display:block;
    width:100px;
    height:40px;
    text-indent : -100pt;
    overflow:hidden;
  
  
  
  
}

a.home_01{background-image : url(http://www.cpfe.net/menu/home_01.gif);}
a:hover.home_01{background-position:0px -40px;}

a.contents_01{background-image : url(http://www.cpfe.net/menu/contents_01.gif);}
a:hover.contents_01{background-position:0px -40px;}

a.author_01{background-image : url(http://www.cpfe.net/menu/author_01.gif);}
a:hover.author_01{background-position:0px -40px;}

a.company_01{background-image : url(http://www.cpfe.net/menu/company_01.gif);}
a:hover.company_01{background-position:0px -40px;}

a.about_01{background-image : url(http://www.cpfe.net/menu/about_01.gif);}
a:hover.about_01{background-position:0px -40px;}

a.home_02{background-image : url(http://www.cpfe.net/menu/home_02.gif);}
a:hover.home_02{background-position:0px -40px;}

a.contents_02{background-image : url(http://www.cpfe.net/menu/contents_02.gif);}
a:hover.contents_02{background-position:0px -40px;}

a.author_02{background-image : url(http://www.cpfe.net/menu/author_02.gif);}
a:hover.author_02{background-position:0px -40px;}

a.company_02{background-image : url(http://www.cpfe.net/menu/company_02.gif);}
a:hover.company_02{background-position:0px -40px;}

a.about_02{background-image : url(http://www.cpfe.net/menu/about_02.gif);}
a:hover.about_02{background-position:0px -40px;}


UL{
  margin-top : 0px;
  margin-left : 0px;
  margin-right : 0px;
  margin-bottom : 0px;
  
  
  
}