#nav_mpfoot {width: 767px; height: 31px;
    background: url(/images/mp/aristotle_design_mp_ftr_nav_static.gif);
	background-repeat: no-repeat;
    margin: 0px; padding: 0px;
    position: relative;
	z-index: 1000;}

#nav_mpfoot dd {margin: 0; padding: 0; list-style: none;
position: absolute; top: 0; 
background-image: url(/images/mp/aristotle_design_mp_ftr_nav_rollover.gif);
background-repeat: no-repeat;}

#nav_mpfoot a.ir_mpfoot {background: url(/images/mp/aristotle_design_mp_ftr_nav_static.gif) 0px 0px no-repeat;
display: block;
height: 0;
padding-top: 31px;
overflow: hidden;}

#nav_mpfoot dt {position: absolute;
  			  top: -200em;} 

dd#portfolio_mpfoot {left: 45px; width: 193px;}
/*dd#call_mpfoot {left: 383px; width: 193px;}*/
dd#contact_us_mpfoot {left: 529px; width: 193px;}

dd#portfolio_mpfoot,#portfolio_mpfoot a.ir_mpfoot {background-position: -45px 0px;}
/*dd#call_mpfoot,#call_mpfoot a.ir_mpfoot {background-position: -383px 0px;}*/
dd#contact_us_mpfoot,#contact_us_mpfoot a.ir_mpfoot {background-position: -529px 0px;}

#nav_mpfoot dd:hover a.ir_mpfoot{background: transparent none;}
#nav_mpfoot dd a.ir_mpfoot:hover {background: transparent;}