function imgchg_home_hover(){document.home.src = "images/gmenu_home_hover.jpg"}
function imgchg_home_out(){document.home.src = "images/gmenu_home.jpg"}

function imgchg_equipment_hover(){document.equipment.src = "images/gmenu_equipment_hover.jpg"}
function imgchg_equipment_out(){document.equipment.src = "images/gmenu_equipment.jpg"}

function imgchg_manufacture_hover(){document.manufacture.src = "images/gmenu_manufacture_hover.jpg"}
function imgchg_manufacture_out(){document.manufacture.src = "images/gmenu_manufacture.jpg"}

function imgchg_parts_hover(){document.parts.src = "images/gmenu_parts_hover.jpg"}
function imgchg_parts_out(){document.parts.src = "images/gmenu_parts.jpg"}

function imgchg_profile_hover(){document.profile.src = "images/gmenu_profile_hover.jpg"}
function imgchg_profile_out(){document.profile.src = "images/gmenu_profile.jpg"}

function imgchg_contact_hover(){document.contact.src = "images/gmenu_contact_hover.jpg"}
function imgchg_contact_out(){document.contact.src = "images/gmenu_contact.jpg"}