#imap {display:block; width:765px; height:115px; background:url(../images/masthead.JPG); position:relative;}
#imap dd {position:absolute; padding:0; margin:0;}

#imap #usda {left:10px; top:6px; z-index:20;}
#imap #reeis {left:563px; top:3px; z-index:20;}

#imap a#usdaLink {display:block; width:57px; height:44px; background:transparent url(../images/transparent.gif) -100px -100px no-repeat; text-decoration:none; z-index:20; }
#imap a#reeisLink {display:block; width:190px; height:59px; background:transparent url(../images/transparent.gif) -100px -100px no-repeat; text-decoration:none; z-index:20;}