#nav a.home{
 background-image: none; 
 /*filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/nav.png',sizingMethod='scale');*/
}
#nav a.home.active{background: transparent url(../images/navs.png) 0 0px no-repeat; z-index: 99;}

#nav a.solutions{background: transparent url(../images/navs.png) -177px -66px no-repeat; z-index:4;}
#nav a.solutions.active{background: transparent url(../images/navs.png) -177px 0px no-repeat; z-index: 99; }

#nav a.support{background: transparent url(../images/navs.png) -354px -66px no-repeat; z-index:3;}
#nav a.support.active{background: transparent url(../images/navs.png) -354px 0px no-repeat; z-index: 99;}

#nav a.companyinfo{background: transparent url(../images/navs.png) -532px -66px no-repeat; z-index:2;}
#nav a.companyinfo.active{background: transparent url(../images/navs.png) -531px 0px no-repeat; z-index: 99;}

#nav a.referrals{background: transparent url(../images/navs.png) -847px -66px no-repeat; z-index:1; left: 255px;}
#nav a.referrals.active{background: transparent url(../images/navs.png) -847px 0px no-repeat; z-index: 99;}