function setVisible( objectName, state )
{
	if (document.layers)
	{
		document.layers[objectName].visibility = (state) ? 'show' : 'hide';
	}
	else if (document.all)
	{
		document.all[objectName].style.visibility = (state) ? 'visible'	: 'hidden';
	}
	else if (document.getElementById)
	{
		document.getElementById(objectName).style.visibility = (state) ? 'visible' : 'hidden';
	}
}

function setBlocked( objectName, state )
{
    state = !state; // switch the state to match the result expected based on the name of the function
    
    //alert( objectName + " blocked? " + state );
    
	if (document.layers)
	{
		document.layers[objectName].display = (state) ? 'block' : 'none';
	}
	else if (document.all)
	{
		document.all[objectName].style.display = (state) ? 'block' : 'none';
	}
	else if (document.getElementById)
	{
		document.getElementById(objectName).style.display = (state) ? 'block' : 'none';
	}
}