linkHColor="#00CC33";

function makeCool() {src = event.toElement;  if (src.tagName == "a") {src.oldcol = src.style.color; src.style.color = linkHColor;}}
function makeNormal() {src=event.fromElement; if (src.tagName == "a") {src.style.color = src.oldcol;}}
document.body.onmouseover=makeCool;
document.body.onmouseout=makeNormal;