write.skin.php 파일에서 입력값을 선택 받으려면...

​<!-- jquery cdn --><script src="https://code.jquery.com/jquery-git1.min.js"></script> <table><tr id="wr_2tr">	<td>		<select name="wr_2" id="wr_2" required class="required" >			<option value="">선택하세요</option>			<option value="mobile">휴대폰</option>			<option value="tv">TV</option>			<option value="cooker">밥통</option>		</select>		<script type='text/javascript'>document.getElementById('wr_2').value='<?php echo $wr_2?>';</script>	</td></tr> <tr id="wr_3tr">	<td>		<select name="wr_3" id="wr_3" required class="required" >			<option value="">류대폰 선택하세요</option>			<option value="mobile">애플</option>			<option value="tv">삼송</option>			<option value="cooker">엘쥐</option>		</select>		<script type='text/javascript'>document.getElementById('wr_2').value='<?php echo $wr_2?>';</script>	</td></tr> <tr id="wr_4tr">	<td>		<select name="wr_3" id="wr_4" required class="required" >			<option value="">tv 선택하세요</option>			<option value="mobile">삼송</option>			<option value="tv">앨쥐</option>			<option value="cooker">기타</option>		</select>		<script type='text/javascript'>document.getElementById('wr_2').value='<?php echo $wr_2?>';</script>	</td></tr> <tr id="wr_5tr">	<td>		<select name="wr_4" id="wr_4" required class="required" >			<option value="">밥통 선택하세요</option>			<option value="mobile">코끼리</option>			<option value="tv">쿠쿠</option>			<option value="cooker">기타</option>		</select>		<script type='text/javascript'>document.getElementById('wr_2').value='<?php echo $wr_2?>';</script>	</td></tr></table> <style>#wr_3tr {display:none}#wr_4tr {display:none}#wr_5tr {display:none}</style> <script>  $("#wr_2").change(function () {    var str = $("#wr_2 option:selected").val();    if (str == 'mobile') {      $("#wr_3tr").show();      $("#wr_4tr").hide();      $("#wr_5tr").hide();    } else if (str == 'tv') {      $("#wr_3tr").hide();      $("#wr_4tr").show();      $("#wr_5tr").hide();    } else if (str =='cooker') {      $("#wr_3tr").hide();      $("#wr_4tr").hide();      $("#wr_5tr").show();    }  })</script>