open stylsheet_tm.css and look for following rule
add then float :right to this rule . try your site and make sure this didn't effect any other elements on your site .

.menu ul {
float:right;
font-family:Arial,Helvetica,sans-serif;
font-size:11px;
list-style-image:none;
list-style-position:outside;
list-style-type:none;
margin-left:0;
text-transform:uppercase;
}