.navcomputersystems
{
background: url(images/homepage/computer_systems_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navcomputersystems a
{
display: block;
}
.navcomputersystems img
{
border: 0
}
.navcomputersystems a:hover img
{
visibility:hidden
}

.navaccounts
{
background: url(images/homepage/accounts_software_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navaccounts a
{
display: block;
}
.navaccounts img
{
border: 0
}
.navaccounts a:hover img
{
visibility:hidden
}

.navweb
{
background: url(images/homepage/web_design_ecommerce_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navweb a
{
display: block;
}
.navweb img
{
border: 0
}
.navweb a:hover img
{
visibility:hidden
}

.navpcrepair
{
background: url(images/homepage/pc_repair_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navpcrepair a
{
display: block;
}
.navpcrepair img
{
border: 0
}
.navpcrepair a:hover img
{
visibility:hidden
}

.navcctv
{
background: url(images/homepage/cctv_surveillance_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navcctv a
{
display: block;
}
.navcctv img
{
border: 0
}
.navcctv a:hover img
{
visibility:hidden
}

.navoffice
{
background: url(images/homepage/office_equipment_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navoffice a
{
display: block;
}
.navoffice img
{
border: 0
}
.navoffice a:hover img
{
visibility:hidden
}

.navsecurity
{
background: url(images/homepage/internet_security_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navsecurity a
{
display: block;
}
.navsecurity img
{
border: 0
}
.navsecurity a:hover img
{
visibility:hidden
}

.navclocking
{
background: url(images/homepage/clocking_systems_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navclocking a
{
display: block;
}
.navclocking img
{
border: 0
}
.navclocking a:hover img
{
visibility:hidden
}

.navoil
{
background: url(images/homepage/oil_distribution_systems_OVER.jpg) no-repeat;
width: 300px;
height: 169px;
border: 0;
float: left;
}
.navoil a
{
display: block;
}
.navoil img
{
border: 0
}
.navoil a:hover img
{
visibility:hidden
}