Link hover, photoshop? Options

[xjeaniiex]

Umm, I noticed that some skins .. you can like do something to where when you hover over a link, it'll change to a different color or whatever the designer chose to do. Like, I don't know how to explain it but you know with that whole imagemap thing? well, how do you make your little links do something when the person hovers over it? ..... Am I making any sense? I already saw a tutorial for it but I'm pretty sure it wasn't for Photoshop. It would be greatly appreciated if someone could help. Thanks (: This is what I'm talking about .. ClickHere

[technicolour]

That's part of a code.

CODE

A:link, a:visited{
color: #000000;
font-size: 7.5pt;
letter-spacing: 0px;
font-family: tahoma;
font-weight: bold;
text-decoration: none;
}

A:hover{
cursor: crosshair;
color: #FF0078;
background-color: #BABABA;
font-size: 7.5pt;
letter-spacing: 0px;
font-family: tahoma;
text-decoration: overline;
border-bottom: 1px solid #FF0078;
border-top: 1px solid #FF0078;
font-weight: bold;
}

In the first paragraph of text, you state what color you want your link to be. In the 2nd, you choose it's hover options, where it can be a different color with a background, border, size, whatever.