function ktlAdjust (field, amount)
{
	var n = parseInt(document.f[field].value);
	document.f[field].value = n + amount;
}
function ktlIntField (name, maxlength)
{
	var size = maxlength + 1;
	document.writeln("<INPUT TYPE=button VALUE=\"<<\" onClick=\"ktlAdjust('", name, "',-1);\">");
	document.writeln("<INPUT TYPE=text NAME=", name, " SIZE=", size, " MAXLENGTH=", maxlength, ">");
	document.writeln("<INPUT TYPE=button VALUE=\">>\" onClick=\"ktlAdjust('", name, "',1);\">");
}