function hideInd() {
	if (!document.getElementById) return false;

	var menu = document.getElementById('ind-dd');
	if (menu == null) return false;

	menu.style.visibility = 'hidden';
	return true;
}

function showInd() {
	if (!document.getElementById) return false;
	var aList = null;
	var menu = document.getElementById('ind-dd');
	if (menu == null) return false;
	menu.style.visibility = 'visible';
	return true;
}

function isNull(o) {
	return (typeof o == 'object' && !o)
}

function main() {
	if (!document.getElementById) return 1;
	var ind = document.getElementById('ind-dd');
	if (isNull(ind)) return 1;
	if (navigator.userAgent.indexOf('Opera') != -1)
		ind.style.top = '313px';
	else if (navigator.userAgent.indexOf('Safari') != -1)
		ind.style.top = '317px';
	return 0;
}