function clearText( object )
{
	object.value = '';
}

function replaceText( object, value )
{
	if( object.value == '' )
	{
		object.value = value;
	}
}

function show( sID )
{
	showHide( sID, "visible", "block" );
}

function hide( sID )
{
	showHide( sID, "hidden", "none" );
}

function showHide( sID, sVisibility, sDisplay )
{
	var oItem = document.getElementById? document.getElementById( sID ) : eval( 'document.all.' + sID );
	
	oItem.style.visibility = sVisibility;
	oItem.style.display = sDisplay;
	
	return;
}