用php输出javascript
<?php
function jsAlert($msg)
{
?>
<script language="javascript">
alert("<?=$msg?>");
</script>
<?
}
function jsReLoad()
{
?><script language="javascript">
location.reload();
</script>
<?
}
function jsBack()
{
?><script language="javascript">
history.go(-1);
</script>
<?
}
?>
