.learnPage li.learn a.MenuBarItemSubmenu {	background-position: -30px -31px;	background-image: url(../images/bg_nav_main.gif);}.equipPage li.equipment a.MenuBarItemSubmenu {    background-position: -89px -31px;	background-image: url(../images/bg_nav_main.gif);}.servicesPage li.services a.MenuBarItemSubmenu {    background-position: -184px -31px;	background-image: url(../images/bg_nav_main.gif);}.resourcesPage li.resources a.MenuBarItemSubmenu {    background-position: -260px -31px;	background-image: url(../images/bg_nav_main.gif);}.contactPage li.contact a.MenuBarItemSubmenu {    background-position: -348px -31px;	background-image: url(../images/bg_nav_main.gif);}.aboutPage li.about a.MenuBarItemSubmenu {    background-position: -422px -31px;	background-image: url(../images/bg_nav_main.gif);}.locationsPage li.locations a.MenuBarItemSubmenu {    background-position: -521px -31px;	background-image: url(../images/bg_nav_main.gif);} /* special:: my petro additional navigation */.petroPage li.petro a.MenuBarItemSubmenu {    background-position: -606px -31px;	background-image: url(../images/bg_nav_petro.gif);}/* :::::::::::::::BEGIN ALL SUBNAV::::::::::::::: */div.subnav {	background-repeat: no-repeat;	height:19px;	margin:0px 0px 0px 28px;	padding:0px;	position:relative;	width:969px;	z-index:1;}.subnav ul {    margin:0px 0px 0px 0px;    padding:0;    list-style:none;    }.subnav li {    display:inline;    margin:0;    padding:0;	text-indent: -9999px;    }.subnav li a {	display: block;    height:19px;	position:absolute;}/* begin LEARN subnav */.learnPage div.subnav, .learnPage div.subnav li a:hover {	background-image: url(../images/bg_nav_learn.gif);}li.oil a {	left:5px;	width:67px;}li.oil a:hover, ul.oilPage li.oil a  {	background-position: -5px -19px;	background-image: url(../images/bg_nav_learn.gif);}li.airc a {	left:72px;	width:105px;}li.airc a:hover, ul.aircPage li.airc a  {	background-position: -72px -19px;	background-image: url(../images/bg_nav_learn.gif);}li.eff a {	left:177px;	width:112px;}li.eff a:hover, ul.effPage li.eff a  {	background-position: -177px -19px;	background-image: url(../images/bg_nav_learn.gif);}li.pric a {	left:289px;	width:91px;}li.pric a:hover, ul.pricPage li.pric a  {	background-position: -289px -19px;	background-image: url(../images/bg_nav_learn.gif);}li.faqs a {	left:380px;	width:54px;}li.faqs a:hover, ul.faqsPage li.faqs a  {	background-position: -380px -19px;	background-image: url(../images/bg_nav_learn.gif);}/* begin EQUIPMENT subnav */.equipPage div.subnav, .equipPage div.subnav li a:hover {	background-image: url(../images/bg_nav_equipment.gif);}li.ene a {	left:4px;	width:110px;}li.ene a:hover, ul.enePage li.ene a  {	background-position: -4px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.hea a {	left:118px;	width:60px;}li.hea a:hover, ul.heaPage li.hea a  {	background-position: -118px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.air a {	left:185px;	width:100px;}li.air a:hover, ul.airPage li.air a  {	background-position: -185px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.fin a {	left:288px;	width:80px;}li.fin a:hover, ul.finPage li.fin a  {	background-position: -288px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.ser a {	left:364px;	width:150px;}li.ser a:hover, ul.serPage li.ser a  {	background-position: -364px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.pre a {	left:522px;	width:150px;}li.pre a:hover, ul.prePage li.pre a  {	background-position: -522px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.spe a {	left:678px;	width:90px;}li.spe a:hover, ul.spePage li.spe a  {	background-position: -678px -19px;	background-image: url(../images/bg_nav_equipment.gif);}li.faq a {	left:774px;	width:60px;}li.faq a:hover, ul.faqPage li.faq a  {	background-position: -774px -19px;	background-image: url(../images/bg_nav_equipment.gif);}/* begin SERVICES subnav */.servicesPage div.subnav, .servicesPage div.subnav li a:hover {	background-image: url(../images/bg_nav_services.gif);}li.ppp a {	left:4px;	width:150px;}li.ppp a:hover, ul.pppPage li.ppp a  {	background-position: -4px -19px;	background-image: url(../images/bg_nav_services.gif);}li.spla a {	left:155px;	width:100px;}li.spla a:hover, ul.splaPage li.spla a  {	background-position: -155px -19px;	background-image: url(../images/bg_nav_services.gif);}li.prop a {	left:250px;	width:110px;}li.prop a:hover, ul.propPage li.prop a  {	background-position: -250px -19px;	background-image: url(../images/bg_nav_services.gif);}li.cust a {	left:357px;	width:110px;}li.cust a:hover, ul.custPage li.cust a  {	background-position: -357px -19px;	background-image: url(../images/bg_nav_services.gif);}li.fino a {	left:472px;	width:110px;}li.fino a:hover, ul.finoPage li.fino a  {	background-position: -472px -19px;	background-image: url(../images/bg_nav_services.gif);}li.secu a {	left:588px;	width:67px;}li.secu a:hover, ul.secuPage li.secu a  {	background-position: -588px -19px;	background-image: url(../images/bg_nav_services.gif);}li.comm a {	left:655px;	width:90px;}li.comm a:hover, ul.commPage li.comm a  {	background-position: -655px -19px;	background-image: url(../images/bg_nav_services.gif);}li.plum a {	left:745px;	width:70px;}li.plum a:hover, ul.plumPage li.plum a  {	background-position: -745px -19px;	background-image: url(../images/bg_nav_services.gif);}li.chim a {	left:817px;	width:70px;}li.chim a:hover, ul.chimPage li.chim a  {	background-position: -817px -19px;	background-image: url(../images/bg_nav_services.gif);}li.freq a {	left:887px;	width:50px;}li.freq a:hover, ul.freqPage li.freq a  {	background-position: -887px -19px;	background-image: url(../images/bg_nav_services.gif);}/* begin RESOURCES subnav */.resourcesPage div.subnav, .resourcesPage div.subnav li a:hover {	background-image: url(../images/bg_nav_resources.gif);}li.gree a {	left:4px;	width:90px;}li.gree a:hover, ul.greePage li.gree a  {	background-position: -4px -19px;	background-image: url(../images/bg_nav_resources.gif);}li.spps a {	left:97px;	width:150px;}li.spps a:hover, ul.sppsPage li.spps a  {	background-position: -97px -19px;	background-image: url(../images/bg_nav_resources.gif);}li.part a {	left:254px;	width:90px;}li.part a:hover, ul.partPage li.part a  {	background-position: -254px -19px;	background-image: url(../images/bg_nav_resources.gif);}li.indu a {	left:343px;	width:90px;}li.indu a:hover, ul.induPage li.indu a  {	background-position: -343px -19px;	background-image: url(../images/bg_nav_resources.gif);}li.soff a {	left:431px;	width:100px;}li.soff a:hover, ul.soffPage li.soff a  {	background-position: -431px -19px;	background-image: url(../images/bg_nav_resources.gif);}li.fque a {	left:528px;	width:50px;}li.fque a:hover, ul.fquePage li.fque a  {	background-position: -528px -19px;	background-image: url(../images/bg_nav_resources.gif);}/* begin CONTACT subnav */.contactPage div.subnav, .contactPage div.subnav li a:hover {	background-image: url(../images/bg_nav_contact.gif);}li.cont a {	left:4px;	width:90px;}li.cont a:hover, ul.contPage li.cont a  {	background-position: -4px -19px;	background-image: url(../images/bg_nav_contact.gif);}li.requ a {	left:94px;	width:130px;}li.requ a:hover, ul.requPage li.requ a  {	background-position: -94px -19px;	background-image: url(../images/bg_nav_contact.gif);}li.beco a {	left:224px;	width:160px;}li.beco a:hover, ul.becoPage li.beco a  {	background-position: -224px -19px;	background-image: url(../images/bg_nav_contact.gif);}li.sign a {	left:384px;	width:130px;}li.sign a:hover, ul.signPage li.sign a  {	background-position: -384px -19px;	background-image: url(../images/bg_nav_contact.gif);}li.loca a {	left:514px;	width:140px;}li.loca a:hover, ul.locaPage li.loca a  {	background-position: -514px -19px;	background-image: url(../images/bg_nav_contact.gif);}/* begin ABOUT subnav */.aboutPage div.subnav, .aboutPage div.subnav li a:hover {	background-image: url(../images/bg_nav_about.gif);}li.hist a {	left:4px;	width:130px;}li.hist a:hover, ul.histPage li.hist a  {	background-position: -4px -19px;	background-image: url(../images/bg_nav_about.gif);}li.vers a {	left:132px;	width:180px;}li.vers a:hover, ul.versPage li.vers a  {	background-position: -132px -19px;	background-image: url(../images/bg_nav_about.gif);}li.need a {	left:308px;	width:200px;}li.need a:hover, ul.needPage li.need a  {	background-position: -308px -19px;	background-image: url(../images/bg_nav_about.gif);}/* begin PETRO subnav */.petroPage div.subnav, .petroPage div.subnav li a:hover {	background-image: url(../images/bg_nav_petro.jpg);}li.pay a {	left:5px;	width:75px;}li.pay a:hover, ul.payPage li.pay a  {	background-position: -5px -19px;	background-image: url(../images/bg_nav_petro.jpg);}li.del a {	left:80px;	width:116px;}li.del a:hover, ul.delPage li.del a {	background-position: -80px -19px;	background-image: url(../images/bg_nav_petro.jpg);}li.req a {	left:196px;	width:108px;}li.req a:hover, ul.reqPage li.req a {	background-position: -196px -19px;	background-image: url(../images/bg_nav_petro.jpg);}li.prof a {	left:304px;	width:58px;}li.prof a:hover, ul.profPage li.prof a {	background-position: -304px -19px;	background-image: url(../images/bg_nav_petro.jpg);}li.help a {	left:362px;	width:51px;}li.help a:hover, ul.helpPage li.help a {	background-position: -362px -19px;	background-image: url(../images/bg_nav_petro.jpg);}