a.home{display: block; background: transparent url(images/home_hover.gif); width: 150px; height:27px;}
a.home:hover{background-position: -150px 0;}

a.about{display: block; background: transparent url(images/about_hover.gif); width: 150px; height:27px;}
a.about:hover{background-position: -150px 0;}

a.ctrans{display: block; background: transparent url(images/custom_transformers_hover.gif); width: 150px; height:27px;}
a.ctrans:hover{background-position: -150px 0;}

a.caps{display: block; background: transparent url(images/capacitors_hover.gif); width: 150px; height:27px;}
a.caps:hover{background-position: -150px 0;}

a.circuit{display: block; background: transparent url(images/circuit_hover.gif); width: 150px; height:27px;}
a.circuit:hover{background-position: -150px 0;}

a.highv{display: block; background: transparent url(images/high_voltage_hover.gif); width: 150px; height:27px;}
a.highv:hover{background-position: -150px 0;}

a.links{display: block; background: transparent url(images/links_hover.gif); width: 150px; height:27px;}
a.links:hover{background-position: -150px 0;}

a.contact{display: block; background: transparent url(images/contact_hover.gif); width: 150px; height:27px;}
a.contact:hover{background-position: -150px 0;}

a.email{display: block; background: transparent url(images/email_hover.gif); width: 150px; height:27px;}
a.email:hover{background-position: -150px 0;}