function startLoad() {
	try {
		document.getElementById('loaddiv').style.display = '';
		document.getElementById('maindiv').style.display = 'none';
	} catch (err) {}
}

function endLoad() {
	try {
		document.getElementById('loaddiv').style.display = 'none';
		document.getElementById('maindiv').style.display = '';
	} catch (err) {}
}