<td onclick="this.background='img/icon2.gif'" background="img/icon1.gif" id="Aux1">or you can make a function
<script>
function chagimg(o){
o.background="img/icon2.gif"
}
</script>
<td onclick="chagimg(this)" background="img/icon1.gif" id="Aux1">
<script>
function chagimg(o){
o.background="img/icon2.gif"
}
</script>
<td onclick="chagimg(this)" background="img/icon1.gif" id="Aux1">
还想问个问题,就是给单元格设置的id和this有什么不同么?