var cellcode = '';
var cellqty = '';

function addRow() {
	/*
	var rowobject = document.getElementById('product_table').insertRow(1);
	var cellcode = rowobject.insertCell(0);
	var cellqty = rowobject.insertCell(1);
	cellcode.innerHTML = '<input type="text" name="code[]">';
	cellqty.innerHTML = '<input type="text" name="quantity[]">';
	*/
	
	var rowobject = document.getElementById('product_table');
	
	inputs = document.getElementsByTagName("input");
	for(var i=0; i<inputs.length;i++){
		input = inputs[i];
		input.setAttribute('value',input.value);
	}
	
	cellcode = document.getElementById('product_table_code').innerHTML;
	cellqty = document.getElementById('product_table_quantity').innerHTML;
	
	var contentDiv = '<div class="products_row">'+ cellcode +' <input style="margin-left: 16px;" type="text" name="code[]" maxlength="15" value=""><br />'+ cellqty +' <input type="text" name="quantity[]" maxlength="10" value=""></div>';
	
	rowobject.innerHTML = rowobject.innerHTML + contentDiv;
}
function addRowExtra() {
	var rowobject = document.getElementById('product_table').insertRow(1);
	var cellcode = rowobject.insertCell(0);
	var celldescription = rowobject.insertCell(1);
	var cellqty = rowobject.insertCell(2);
	cellcode.innerHTML = '<input type="text" name="code[]">';
	celldescription.innerHTML = '&nbsp;';
	cellqty.innerHTML = '<input type="text" name="quantity[]">';
}