.nav{ font-size:17px;}
.nava{width:141px; background:url(images/bg_03.jpg); background-repeat:repeat-x;}
.nava a{ display:block; width:121px;background:url(images/bg_03.jpg); background-repeat:repeat-x;}
.nava a:link{background:url(images/bg_03.jpg); background-repeat:repeat-x;}
.nava a:visited{background:url(images/bg_03.jpg); background-repeat:repeat-x;}
.nava a:hover { background:#F00;display:block;background:url(images/bg_03.jpg); background-repeat:repeat-x;width:141px; line-height:49px; height:49px;}
.navb{background: background:#F00; width:141px; line-height:49px; height:49px;}
.navb a{ display:block;  width:141px;background:#F00;idth:141px;height:49px;}
.navba a:link{ display:block;background:#F00;idth:141px;height:49px; }
.navb a:visited{ display:block; background:#F00;idth:141px;height:49px;}
.navb a:hover { display:block; background:#F00;width:141px;height:49px;}