var headercell;
var footercell;
if ((smtrim != null) && (smtrim != "")) {
	if (document.getElementById) {
		headercell = document.getElementById("headerCell");
		footercell = document.getElementById("footerCell");
	} else if (document.all) {
		headercell = document.all("headerCell");
		footercell = document.all("footerCell");
	}
	if (headercell != null)
		headercell.className = headerClass;
	if (footercell != null)
		footercell.className = footerClass;
}