function hide_some()
{
	document.getElementById('workforceimage').style.visibility = 'hidden';
	document.getElementById('workforceimage').style.height = 0;
	
	document.getElementById('vehicleimage').style.visibility = 'hidden';
	document.getElementById('vehicleimage').style.height = 0;
	
	document.getElementById('assetimage').style.visibility = 'hidden';
	document.getElementById('assetimage').style.height = 0;
}