//网页2
<script language=javascript>
function test(){
window.opener.location.replace("网页1");
}
</script>
<input type=button onclick="test()">
<script language=javascript>
function test(){
window.opener.location.replace("网页1");
}
</script>
<input type=button onclick="test()">
<script language="javascript">
window.opener.location.reload();
</script>