input.descrow {
	width: 733px; 
	height: 14pt; 
	font-size:  13 .85pt; 
	font-family: David; 
	font-weight: bold; 
	border:  0 ;
	}

function fnAddRows(k){
	if (!tblMain) {
		tblMain = document.getElementById('tblMain');
	}
	
	for (var i =  0 ; i < k; i++) {
		var inp = document.createElement('input');
		inp.type = 'text';
		inp.className = 'descrow';
		inp.maxlength = '92';	
		inp.id = 'DescRow_' + tblMain.rows.length;
		inp.name = 'DescRow';
		inp.onfocus = fnHRow;
		inp.onkeydown=fnRowCheckKeyValue;
		
		var nimg = document.createElement('img');
		var lenTbl=tblMain.rows.length;
		nimg.id = 'ImgDescRow_' + tblMain.rows.length;
		nimg.name = 'ImgDescRow';
		nimg.className = 'imgdescrow';
		nimg.onclick='fnDeleteRow(this)';
		nimg.src='../im/del.gif';
		tblMain.insertRow().insertCell().appendChild(nimg);
		tblMain.rows(lenTbl).insertCell().appendChild(inp);
	}
}	

<td width="90%" align="right">
<input type="text" maxlength="92"  class="descrow"  id=<%="DescRow_" & (i) %>  name="DescRow"  onfocus="fnHRow()" onkeydown="fnRowCheckKeyValue()" />
 </TD>