js弹窗出错。高手帮改一下。急急急!!!!!!
<?php$qq=$_POST['qq'];if(!$qq==""){ if( strlen( $qq ) > 12 || strlen( $qq ) < 5 ||[b] !is_numeric( $qq ) || $qq < 0 [/b]){ echo"<script language='javascript'> alert('对不起,你输入的QQ号码无效.请重新输入.');history.back();</script>"; exit(); }?><form name="form1" method="post" action="">QQ号码吉凶查询: <input type="text" name="qq" onkeyup="value=value.replace(/[^\d]/g,'')"><input type="hidden" name ="postclick" value="true" /><input type="submit" name="Submity" value="查询"><input type="reset" name="Submit2" value="重置"></form>