#sidemenu ul {
	margin: 0;
	width: 127px;
	text-decoration: none;
	overflow:hidden;
}

#sidemenu li{
	margin-left: -20px;
	list-style-type:none;
	overflow:hidden;
}

#sidemenu a {

	display:block;
	width: 127px;

	overflow:hidden;
}

#sidemenu b {
	margin-left: -1000;
}

#sidemenu a:hover, a:active  {
	background-position: 0 -32px;
}

.sidemenu-geology a {
	background: url('sidemenu-geology.gif') 0 0 no-repeat;
	height: 21px;
}

.sidemenu-geophysics a {
	background: url('sidemenu-geophysics.gif') 0 0 no-repeat;
	height: 21px;
}

.sidemenu-reservoir a {
	background: url('sidemenu-reservoir.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-project a {
	background: url('sidemenu-project.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-economics a {
	background: url('sidemenu-economics.gif') 0 0 no-repeat;
	height: 21px;
}

.sidemenu-digital a {
	background: url('sidemenu-digital.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-seismic a {
	background: url('sidemenu-seismic.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-seismicproc a {
	background: url('sidemenu-seismicproc.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-petro a {
	background: url('sidemenu-petro.gif') 0 0 no-repeat;
	height: 21px;
}

.sidemenu-geochem a {
	background: url('sidemenu-geochem.gif') 0 0 no-repeat;
	height: 21px;
}

.sidemenu-compgraph a {
	background: url('sidemenu-compgraph.gif') 0 0 no-repeat;
	height: 32px;
}

.sidemenu-barber a {
	background: url('sidemenu-person-barber.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-powis a {
	background: url('sidemenu-person-powis.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-tucker a {
	background: url('sidemenu-person-tucker.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-swarbrick a {
	background: url('sidemenu-person-swarbrick.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-atkinson a {
	background: url('sidemenu-person-atkinson.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-morris a {
	background: url('sidemenu-person-morris.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-paran a {
	background: url('sidemenu-person-paran.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-stark a {
	background: url('sidemenu-person-stark.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-ballestros a {
	background: url('sidemenu-person-ballestros.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-carter a {
	background: url('sidemenu-person-carter.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-mcgee a {
	background: url('sidemenu-person-mcgee.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-lovibond a {
	background: url('sidemenu-person-lovibond.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-harrison a {
	background: url('sidemenu-person-harrison.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-bucknill a {
	background: url('sidemenu-person-bucknill.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-meng a {
	background: url('sidemenu-person-meng.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-walker a {
	background: url('sidemenu-person-walker.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-jelley a {
	background: url('sidemenu-person-jelley.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-cocker a {
	background: url('sidemenu-person-cocker.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-montalbetti a {
	background: url('sidemenu-person-montalbetti.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-lim a {
	background: url('sidemenu-person-lim.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-mcguire a {
	background: url('sidemenu-person-mcguire.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-barron a {
	background: url('sidemenu-person-barron.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-winterhalder a {
	background: url('sidemenu-person-winterhalder.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-bubrzycki a {
	background: url('sidemenu-person-bubrzycki.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-allinson a {
	background: url('sidemenu-person-allinson.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-loschi a {
	background: url('sidemenu-person-loschi.gif') 0 0 no-repeat;
	height: 16px;
}

.sidemenu-mandymcgee a {
	background: url('sidemenu-person-mandymcgee.gif') 0 0 no-repeat;
	height: 16px;
}