.tabcontainer {
position:absolute;
top:147px;
left:39px;
width:100%
}

.tab {
width:88px;
position:relative
background-image :url(images/tab_unselected.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tab_xsm {
width:70px;
background-image :url(images/tab_unselected_xsm.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tab_sm {
width:78px;
background-image :url(images/tab_unselected_sm.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tab_lg {
width:103px;
background-image :url(images/tab_unselected_lg.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tab_xlg {
width:111px;
background-image :url(images/tab_unselected_xlg.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tabselected {
width:88px;
position:relative
text-align:center;
<!-- margin-left:1px; -->
float:left;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tabselected_sm {
width:78px;
background-image :url(images/tab_selected_sm.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:none;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tabselected_xsm {
width:70px;
background-image :url(images/tab_selected_xsm.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:none;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tabselected_lg {
width:103px;
background-image :url(images/tab_selected_lg.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:none;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.tabselected_xlg {
width:111px;
background-image :url(images/tab_selected_xlg.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:none;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.bigtabselected {
width:132px;
background-image :url(images/bigtab_selected.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:none;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}

.bigtab {
width:132px;
background-image :url(images/bigtab_unselected.gif);
background-repeat : no-repeat;
text-align:center;
margin-left:1px;
float:left;
border-bottom:1px solid silver;
font-family : verdana,arial,sans-serif ;
font-size:.8em;
}