<script language="javascript" type="text/javascript">
window.onload=function(){
//設置年份的選擇
var myDate= new Date();
var startYear=myDate.getFullYear()-50;//起始年份
var endYear=myDate.getFullYear()+50;//結束年份
var obj=document.getElementById('myYear')
for (var i=startYear;i<=endYear;i++)
{
obj.options.add(new Option(i,i));
}
obj.options[obj.options.length-51].selected=1;
}
</script>
<select id="myYear"></select>