เรื่องแทรก Code JavaScript ใน php ค่ะรบกวนช่วยแนะนำด้วยค่ะ

<table id="tblSample" cellpadding="0" align="" border="0" >
<thead>
<tr>
  <th class="fontTitle">Software Code</th>
  <th class="fontTitle">Software Type</th>
  <th class="fontTitle">Software Name</th>
</tr>
</thead>
<tbody>
<? $sqlSWTRow = "SELECT * FROM tbl_sw_type"; $querySWTRow = mssql_query($sqlSWTRow); while($rowSWTRow=mssql_fetch_array($querySWTRow)){?>
<tr>
  <td class="fontInput"><?=$rowSWTRow[swt_code];?></td>
  <td class="fontInput"><?=$rowSWTRow[swt_name];?></td>
  <input type="hidden" name="com_code[]" value="<?=$_POST[com_code];?>" />
  <input type="hidden" name="swmx_code[]" value="<?=fncRunning_SWMX();?>" />
</tr>
<? }?>
</tbody>
</table>
<script>
function addColumn(tblId)
{
	var tblHeadObj = document.getElementById(tblId).tHead;
	for (var h=0; h<tblHeadObj.rows.length; h++) {
		var newTH = document.createElement('th');
		tblHeadObj.rows[h].appendChild(newTH);
	}
	var tblBodyObj = document.getElementById(tblId).tBodies[0];
	for (var i=0; i<tblBodyObj.rows.length; i++) 
	 {
		var newCell = tblBodyObj.rows[i].insertCell(-1);
		newCell.innerHTML='<? $sqlSMT = "SELECT * FROM tbl_sw"; $resultSMT = mssql_query($sqlSMT); ?><SELECT NAME=\"sw_code[]"+intLine+"\" CLASS=\"fontTitle\"><OPTION value=\"0\" >--------Choose--------</OPTION><? while($rsSMT=mssql_fetch_array($resultSMT)){$sw_code=$rsSMT[sw_code];$sw_name =$rsSMT[sw_name];?><OPTION value=\"<?=$sw_code;?>\" class=\"fontCompList\"><?=$sw_code;?></OPTION><? }?></SELECT>';
	}
}
function deleteColumn(tblId)
{
	var allRows = document.getElementById(tblId).rows;
	for (var i=0; i<allRows.length; i++) {
		if (allRows[i].cells.length > 1) {
			allRows[i].deleteCell(-1);
		}
	}
}</script>

<table border="0">
<tr>
<td><input type="button" value="+" onclick="addColumn('tblSample')" /></td>
<td><input type="button" value="-" onclick="deleteColumn('tblSample')" /></td>
</tr>
</table>