a ver si esto te srive celcius...
<style type="text/css">
A:hover { text-decoration: none }
.menu {
font-weight: bold; font-family: Tahoma; font-size: 7pt; color: #8515b8; text-decoration: none
}
</style>
<script LANGUAGE="JavaScript">
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function pulsar(src) {
if (event.srcElement.tagName=='TD'){
src.children.tags('A')[0].click();
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}
function sicubrir(src,col01) {
if (!src.contains(event.fromElement)) {
src.style.cursor = 'hand';
src.Color = '#ffffff';
src.bgColor = col01;
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function nocubrir(src,col02) {
if (!src.contains(event.toElement)) {
src.style.cursor = 'default';
src.Color= '#ffffff';
src.bgColor = col02;
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// -->
</script>
<body>
<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#000000" width="100%" id="AutoNumber3">
<tr>
<td width="50" height="20" bgcolor="#F3E0FC" style="border-bottom-COLOR: #F3E0FC" class="menu" align="center">INICIO</td>
<td width="75" onclick="pulsar(this)" onMouseOver="sicubrir(this,'#F3E0FC')" onMouseOut="nocubrir(this,'#FFFFFF')" bgcolor="#FFFFFF" style="border: 1px solid #8515B8" align="center"><a class="menu" href="001.htm">001</a></td>
<td width="75" onclick="pulsar(this)" onMouseOver="sicubrir(this,'#F3E0FC')" onMouseOut="nocubrir(this,'#FFFFFF')" bgcolor="#FFFFFF" style="border: 1px solid #8515B8" align="center"><a class="menu" href="002.htm">002</a></td>
<td width="50" onclick="pulsar(this)" onMouseOver="sicubrir(this,'#F3E0FC')" onMouseOut="nocubrir(this,'#FFFFFF')" bgcolor="#FFFFFF" style="border: 1px solid #8515B8" align="center"><a class="menu" href="003.htm">003</a></td>
<td width="70" onclick="pulsar(this)" onMouseOver="sicubrir(this,'#F3E0FC')" onMouseOut="nocubrir(this,'#FFFFFF')" bgcolor="#FFFFFF" style="border: 1px solid #8515B8" align="center"><a class="menu" href="004.htm">004</a></td>
<td width="90" onclick="pulsar(this)" onMouseOver="sicubrir(this,'#F3E0FC')" onMouseOut="nocubrir(this,'#FFFFFF')" bgcolor="#FFFFFF" style="border: 1px solid #8515B8" align="center"><a class="menu" href="005.htm">005</a></td>
</tr>
</table>