ต้องการ insert ข้อมูล list/menu ลงฐานข้อมูล เเต่ทำตัวเเปรจัดเก็บไม่เป็นครับ

<?php			$y = date("Y");?> 
  <select id=sel_dob_d style="WIDTH: 55px" name=sel_dob_d onChange = javascript:dat01(this);>
  <option value=""<?php if($sel_dob_d ==""){echo "selected";}?>></option>
  <option value=1 <?php if($sel_dob_d =="1"){echo "selected";}?>>1</option>
  <option value=2 <?php if($sel_dob_d =="2"){echo "selected";}?>>2</option>
  <option value=3 <?php if($sel_dob_d =="3"){echo "selected";}?>>3</option>
  <option value=4 <?php if($sel_dob_d =="4"){echo "selected";}?>>4</option>
  <option value=5 <?php if($sel_dob_d =="5"){echo "selected";}?>>5</option>
  <option value=6 <?php if($sel_dob_d =="6"){echo "selected";}?>>6</option>
  <option value=7 <?php if($sel_dob_d =="7"){echo "selected";}?>>7</option>
  <option value=8 <?php if($sel_dob_d =="8"){echo "selected";}?>>8</option>
  <option value=9 <?php if($sel_dob_d =="9"){echo "selected";}?>>9</option>
  <option value=10 <?php if($sel_dob_d =="10"){echo "selected";}?>>10</option>
  <option value=11 <?php if($sel_dob_d =="11"){echo "selected";}?>>11</option>
  <option value=12 <?php if($sel_dob_d =="12"){echo "selected";}?>>12</option>
  <option value=13 <?php if($sel_dob_d =="13"){echo "selected";}?>>13</option>
  <option value=14 <?php if($sel_dob_d =="14"){echo "selected";}?>>14</option>
  <option value=15 <?php if($sel_dob_d =="15"){echo "selected";}?>>15</option>
  <option value=16 <?php if($sel_dob_d =="16"){echo "selected";}?>>16</option>
  <option value=17 <?php if($sel_dob_d =="17"){echo "selected";}?>>17</option>
  <option value=18 <?php if($sel_dob_d =="18"){echo "selected";}?>>18</option>
  <option value=19 <?php if($sel_dob_d =="19"){echo "selected";}?>>19</option>
  <option value=20 <?php if($sel_dob_d =="20"){echo "selected";}?>>20</option>
  <option value=21 <?php if($sel_dob_d =="21"){echo "selected";}?>>21</option>
  <option value=22 <?php if($sel_dob_d =="22"){echo "selected";}?>>22</option>
  <option value=23 <?php if($sel_dob_d =="23"){echo "selected";}?>>23</option>
  <option value=24 <?php if($sel_dob_d =="24"){echo "selected";}?>>24</option>
  <option value=25 <?php if($sel_dob_d =="25"){echo "selected";}?>>25</option>
  <option value=26 <?php if($sel_dob_d =="26"){echo "selected";}?>>26</option>
  <option value=27 <?php if($sel_dob_d =="27"){echo "selected";}?>>27</option>
  <option value=28 <?php if($sel_dob_d =="28"){echo "selected";}?>>28</option>
  <option value=29 <?php if($sel_dob_d =="29"){echo "selected";}?>>29</option>
  <option value=30 <?php if($sel_dob_d =="30"){echo "selected";}?>>30</option>
  <option value=31 <?php if($sel_dob_d =="31"){echo "selected";}?>>31</option>
</select>
<select id=sel_dob_m style="WIDTH: 55px" name=sel_dob_m onChange = javascript:dat01(this);>
  <option value="" <?php if($sel_dob_m ==""){echo "selected";}?>></option>
  <option value=1 <?php if($sel_dob_m =="1"){echo "selected";}?>>ม.ค.</option>
  <option value=2 <?php if($sel_dob_m =="2"){echo "selected";}?>>ก.พ.</option>
  <option value=3 <?php if($sel_dob_m =="3"){echo "selected";}?>>มี.ค.</option>
  <option value=4 <?php if($sel_dob_m =="4"){echo "selected";}?>>เม.ย.</option>
  <option value=5 <?php if($sel_dob_m =="5"){echo "selected";}?>>พ.ค.</option>
  <option value=6 <?php if($sel_dob_m =="6"){echo "selected";}?>>มิ.ย.</option>
  <option value=7 <?php if($sel_dob_m =="7"){echo "selected";}?>>ก.ค.</option>
  <option value=8 <?php if($sel_dob_m =="8"){echo "selected";}?>>ส.ค.</option>
  <option value=9 <?php if($sel_dob_m =="9"){echo "selected";}?>>ก.ย.</option>
  <option value=10 <?php if($sel_dob_m =="10"){echo "selected";}?>>ต.ค.</option>
  <option value=11 <?php if($sel_dob_m =="11"){echo "selected";}?>>พ.ย.</option>
  <option value=12 <?php if($sel_dob_m =="12"){echo "selected";}?>>ธ.ค.</option>
</select>
<select id=sel_dob_y  style="WIDTH: 55px" name=sel_dob_y onChange = javascript:dat01(this);>
  <option value="" selected></option>
  <?php
									
									for($i = $y;$i>($y-20);$i--)
									{
										 if($sel_dob_y == $i){ $se = "selected";}else{$se="";}
										echo "<OPTION value= $i $se>".($i+543)."</OPTION> ";
									}
					?>
</select>