function toggleDiv(objname)
{
	obj = document.getElementById(objname);
	if (obj)
		obj.style.display = obj.style.display=='none'?'':'none';
}
function showDiv(objname)
{
	obj = document.getElementById(objname);
	if (obj && obj.style.display == 'none')	obj.style.display = '';
}
function hideDiv(objname)
{
	obj = document.getElementById(objname);
	if (obj && obj.style.display == '')	obj.style.display = 'none';
}