select-test

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Shift_JIS">
<title>テスト</title>
<style>
body {
  font-size: 9pt;
  color: #000000;
  background-color:#ffffff;
}
</style>
<script>
function setSelect(obj, target, defaultIndex) {
	var element = document.getElementById(target); 
	for (var i=0;i<element.options.length;i++) { 
		if (obj.value == element.options[i].value) {
			element.options[i].selected = "true";
			return;
		}
	}
	obj.value = "";
	element.options[defaultIndex].selected = "true";
}

function selectChange(val, target) {
	document.getElementById(target).value = val;
}
</script>
</head>

<body>
	<input type="text" id="text" maxlength="1" onblur="setSelect(this, 'select', 0)"/>
	<select id="select" onChange="selectChange(this.value, 'text')">
		<option value=" " selected></option>
		<option value="1">1</option>
		<option value="2">2</option>
		<option value="3">3</option>
		<option value="4">4</option>
		<option value="5">5</option>
	</select>
</body>
</html>