Mine

	function addItem(divid) {
			div = document.getElementById(divid);
			
			if (!div) return false;
			addHTML = '<fieldset title="Invoice Item '+counter+'">'+
			'<legend>Invoice Item '+counter+'<dl>'+
			'<div class="row" id="itemrow_' + counter + '">'+
			'<dt><label for="item_title" title="Title">Title:</label></dt>'+
			'<dd><input type="text" name="item_title' + counter + '" value="" /></dd>'+
			'<dt><label for="item_price" title="Price">Price:</label></dt>'+
			'<dd><input type="text" name="item_price' + counter + '" value="" /></dd>'+
			'<dt><label for="item_description" title="Description">Description:</label></dt>'+
			'<dd><textarea name="item_description' + counter + '" id="item_description' + counter + '" title="Description" cols="50" rows="8"></textarea></dd>'+
			'</div></legend></fieldset>';
			counter++;
			
			div.innerHTML += addHTML;
			div.innerHTML += addHTML2;
		}