#impr01 
{
  position:absolute;
}
a#impr01a
{
   display:block;
   top:-15px;
   position:absolute;
   background-image:url(./../images/e-mail_n.jpg);
   background-repeat: no-repeat;
   width:106px;
   height:16px;
   border: none;
}
a:hover#impr01a
{
  position:absolute;
  top:-15px;
  background-image:url(./../images/e-mail_u.jpg);
  background-repeat: no-repeat;
  width:106px;
  height:16px;
  border: none;
}