<head>
<script language="JavaScript">
<!--
var timerID;
var cnt = 0;
function Blink(){
if( cnt == 0 ) document.forms[0].elements[0].value = "点滅";
else document.forms[0].elements[0].value = "";
cnt ^=1;
timerID = setTimeout( "Blink()", 500 );
}
//-->
</script>
</head>
<form>
<input type=TEXT size=10 maxlength=10>
<input type=button value="stop blink" onclick="clearTimeout( timerID )">
</form>
<script language="JavaScript">
<!--
Blink();
//-->
</script>