<script type="text/javascript">
if (event.keyCode==37)//左
fun_a();
if (event.keyCode==38)//上
fun_b();
if (event.keyCode==39)//右
fun_c();
if (event.keyCode==40)//下
fun_d();function fun_a(){
window.alert('你按下了左')
}
function fun_b(){
window.alert('你按下了上')
}
function fun_c(){
window.alert('你按下了右')
}
function fun_d(){
window.alert('你按下了下')
}
</script>
function jumpPage() {
if (event.keyCode==37)//左
fun_a();
if (event.keyCode==38)//上
fun_b();
if (event.keyCode==39)//右
fun_c();
if (event.keyCode==40)//下
fun_d();
}
function fun_a(){
window.alert('你按下了左')
}
function fun_b(){
window.alert('你按下了上')
}
function fun_c(){
window.alert('你按下了右')
}
function fun_d(){
window.alert('你按下了下')
}
document.onkeydown=jumpPage;
</script>
<table width="100%" border="1" cellspacing="1" cellpadding="0" id=table>
<tr id="lineone" style="background-color:#00cccc;">
<td id=aa height="23"> </td>
<td id=aa >按向下键</td>
<td id=cc >按向下键</td>
<td id=dd >按向下键</td>
<td id=ee >按向下键</td>
</tr>
<tr id="linetwo" tyle="background-color:#ffffff;">
<td id=a height="23"> </td>
<td id=b >按向上键</td>
<td id=c >按向上键</td>
<td id=d >按向上键</td>
<td id=e >按向上键</td>
</tr>
</table>
<script language="javascript">
function keyDown(e)
{
var iekey=event.keyCode;
action(iekey);
}
document.onkeydown = keyDown;
function action(iekey)
{
if(iekey==40)
{
lineone.style.backgroundColor = "";
linetwo.style.backgroundColor = "#00cccc";
}
if(iekey==38)
{
lineone.style.backgroundColor = "#00cccc";
linetwo.style.backgroundColor = "";
}
}
</script>
<input name="id" type="hidden" id="id" value="1" />