var GoldLink = document.getElementById('gold_link');
var GoldImg = document.getElementById('gold_img');
GoldLink.onmouseover = function () {GoldImg.style.visibility = "visible"};
GoldLink.onmouseout = function () {GoldImg.style.visibility = "hidden"};
var DipLink = document.getElementById('dip_link');
var DipImg = document.getElementById('dip_img');
DipLink.onmouseover = function () {DipImg.style.visibility = "visible"};
DipLink.onmouseout = function () {DipImg.style.visibility = "hidden"};
var SolderLink = document.getElementById('solder_link');
var SolderImg = document.getElementById('solder_img');
SolderLink.onmouseover = function () {SolderImg.style.visibility = "visible"};
SolderLink.onmouseout = function () {SolderImg.style.visibility = "hidden"};
var ReflowLink = document.getElementById('reflow_link');
var ReflowImg = document.getElementById('reflow_img');
ReflowLink.onmouseover = function () {ReflowImg.style.visibility = "visible"};
ReflowLink.onmouseout = function () {ReflowImg.style.visibility = "hidden"};