<script>
function objectDelete(url)
{
if(window.confirm('真的要删除吗?') == true)
{
window.location.href=url;
return true;
}
else  return false;
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<input type="submit" value=删除 onclick="return objectDelete('urlobject_del.php')" >
</form>