#maintab {
width:930px; height:20px;
padding:0px; margin:0px;
background:url(http://www.tpa.or.th/tpanew/images/header04.gif) repeat-x center center;
}

.shadetabs{
margin: 0px;
font: bold 11px Verdana;
list-style-type: none;
text-align: left; /*set to left, center, or right to align the menu as desired*/
}

.shadetabs li{
display: inline;
margin: 0;
}

.shadetabs li a{
text-decoration: none;
padding: 1px 3px;
margin-right: 3px;
border: 1px solid #EEE;
color: #333;
background: white url(shade.gif) top left repeat-x;
}

.shadetabs li a:visited{
color: #333;
}

.shadetabs li a:hover{
text-decoration: underline;
color: #000;
}

.shadetabs li.selected{
position: relative;
}

.shadetabs li.selected a{ /*selected main tab style */
background-image: url(shadeactive.gif);
background-color:#99CCFF;
}

.shadetabs li.selected a:hover{ /*selected main tab style */
text-decoration: none;
}

.contentstyle{
border-bottom: 1px solid #1E568F;
background:#76B5E5 url(http://www.tpa.or.th/tpanew/images/header03.gif) repeat-x top center;
font-size:12px; color:#FFFFFF;
width: 930px;
height:120px;
margin-bottom: 0.3em; 
}
.subajax {
height:10em;
overflow:hidden;
position:relative;
}
.ajax_right {width:450px; float:right; border-left:1px dotted #FFFFFF; padding:0px 5px;}
.ajax_right ol {margin:10px 0px; padding:0px; float:left;}
.ajax_right ol li {list-style-type:none; float:left; margin:0px 3px;}
.ajax_right ol li a {font-size:11px; text-decoration:none; padding:1px 2px; border-right:1px solid #EEEEEE; border-left:1px solid #EEEEEE;}
.ajax_right ol li a:link, .ajax_right ol li a:visited {color:#55FFFF;}
.ajax_right ol li a:hover {color:#FFFF00;}