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"
http://www.w3.org/TR/html4/loose.dtd"><html>
<head>
<title>Cellefarve</title>
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Så må du give de TD'er, som skal påvirkes et id, som du kan checke før assigning af ny farve:
<script language="javascript" type="text/javascript">
function makeGreen(t){
var tds = document.getElementsByTagName("td");
for (i=0;i<tds.length;i++) {
if (tds[i].id.indexOf("farve")!=-1) {
tds[i].style.backgroundColor="#FFFFFF";
}
}
t.style.backgroundColor="#00FF00"
}
</script>
<script language="javascript" type="text/javascript" src="tom.js"></script>
</head>
<body>
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="17%" height="50">
<tr>
<td id="farve1" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2"> 1</font></b></td>
<td id="farve2" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
2</font></b></td>
</tr>
<tr>
<td id="farve3" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
3</font></b></td>
<td id="farve4" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
4</font></b></td>
</tr>
</table>
<br>
<br>
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="17%" height="50">
<tr>
<td id="f1" style="background-color:#0f0f0f" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2"> 1</font></b></td>
<td id="f2" style="background-color:#0f0ff0" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
2</font></b></td>
</tr>
<tr>
<td id="f3" style="background-color:#0ff00f" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
3</font></b></td>
<td id="f4" style="background-color:#f00f0f" width="50%" height="50" align="center" onClick="makeGreen(this);"><b><font size="2">
4</font></b></td>
</tr>
</table>
</body>
</html>