rollover hipervinculo

[izar]

en tu css incluye esto:
<style type="text/css">
a:link {
text-decoration: none;
color: #000000;
}
a:visited {
text-decoration: none;
color: #000000;
}
a:hover {
text-decoration: none;
color: orange;
}
a:active {
text-decoration: none;

color: red;
}
</style>