<form>
<input type="text" name="txtF001" onkeypress="if(event.keyCode == 13) b1.fireEvent('onClick')" size="20%" maxlength="16" >
<input type="button" id=b1 value="搜索" name="B3" onClick="Search()">
</form>
<script language="javascript">
function Search()
{alert('search')}
</script>
<input type="text" name="txtF001" onkeypress="if(event.keyCode == 13) b1.fireEvent('onClick')" size="20%" maxlength="16" >
<input type="button" id=b1 value="搜索" name="B3" onClick="Search()">
</form>
<script language="javascript">
function Search()
{alert('search')}
</script>
<input type="text" name="txtF001" size="20%" maxlength="16" onkeydown="keydown()">
<input type="button" value="搜索" name="B3" onClick="Search()">
</form>
<script language="javascript">
function Search()
{..........}
function keydown()
{
var code=window.event.keyCode;
if(code==13)
Search();
}
</script>