^^ มีใครเก่งเรื่อง PHP บ้างค่ะ อยากได้ที่ปรึกษาข้อที่มันติดค่ะ ^_____^

<tr>
                          <td>Building:</td>
                          <td width="242"><span class="content">
                            <select name="name_building"  >
                              <option><?=$name_building;?></option>
                                
                              <?
				$sql="select * from building ";
			$result=mysql_query($sql);
			while($rs=mysql_fetch_array($result)) {
				$id_build=$rs[id_build];
				$name_building=$rs[name_building];
				echo "<OPTION value='$name_building'>$name_building</OPTION>";
			}
		?>
                            </select>
                          </span></td>
                          <td width="97">Employee:</td>
                          <td width="224"><span class="content">
                            <select name="fname_emp" >
                              <option value="<?=$fname_emp;?>">
                                <?=$fname_emp;?>
                              <?
				$sql="select * from employee ";
			$result=mysql_query($sql);
			while($rs=mysql_fetch_array($result)) {
				$id_emp=$rs[id_emp];
				$fname_emp=$rs[fname_emp];
				echo "<OPTION value='$fname_emp'>$fname_emp</OPTION>";
			}
		?>
                            </select>
                          </span></td>
                        </tr>
                        <tr>
                          <td>Floor:</td>
                          <td><span class="content">
                            <select name="name_floor" >
                              <option value="<?=$name_floor;?>">
                                <?=$name_floor;?>
                              <?
				$sql="select * from floor ";
			$result=mysql_query($sql);
			while($rs=mysql_fetch_array($result)) {
				$id_floor=$rs[id_floor];
				$name_floor=$rs[name_floor];
				echo "<OPTION value='$name_floor'>$name_floor</OPTION>";
			}
		?>
                            </select>
                          </span></td>
                          <td>Crisis levels:</td>
                          <td><label for="select"></label>
                            <select name="critical_asset" id="select">
                             <option value="<?=$critical_asset;?>"><?=$critical_asset;?></option>
                              <option value="Critical">Critical</option>
                              <option value="Normal">Normal</option>
                            </select></td>
                        </tr>
                        <tr>
                          <td>Room:</td>
                          <td><span class="content">
                            <select name="name_room" >
                              <option value="<?=$name_room;?>">
                                <?=$name_room;?>
                              <?
				$sql="select * from room ";
			$result=mysql_query($sql);
			while($rs=mysql_fetch_array($result)) {
				$id_room=$rs[id_room];
				$name_room=$rs[name_room];
				echo "<OPTION value='$name_room'>$name_room</OPTION>";
			}
		?>
                            </select>
                          </span></td>
                          <td>Insurance:                            </td>
                          <td><label for="select2">
                            <select name="war_con_asset" id="select2">
                             <option value="<?=$war_con_asset;?>"><?=$war_con_asset;?></option>
                              <option value="Warranty">Warranty</option>
                              <option value="Contract">Contract</option>
                              <option value="None">None</option>
                            </select>
                          </label></td>
                        </tr>
                        <tr>
                          <td>Department:</td>
                          <td><span class="content">
                            <select name="name_dept" >
                              <option value="<?=$name_dept;?>">
                                <?=$name_dept;?>
                              <?
				$sql="select * from department ";
			$result=mysql_query($sql);
			while($rs=mysql_fetch_array($result)) {
				$id_dept=$rs[id_dept];
				$name_dept=$rs[name_dept];
				echo "<OPTION value='$name_dept'>$name_dept</OPTION>";
			}
		?>
                            </select>
                          </span></td>

<input name="document" type="text" id="document" value="<?php echo "Rep".$objResult["ID"];?>" readonly="true" /> //readonly ไม่ให้ทำการแก้ไข

<input name="document" type="text" id="document" value"<?php echo ("Rep");?><?php echo date("Y");?><?php echo $IDdoc; ?>" //ผลลัพธ์ Repเดือนไอดี >>> Rep060001