function toggleDropMenu( str )
{
	var dropMenu = document.getElementById( str + "Drop" );
	var dropContent = document.getElementById( str + "Content" );
	
	if ( dropContent.style.display != "block" )
	{
		dropContent.style.display = "block";
		dropMenu.style.backgroundImage = "url( ../images/v2/columnDropOpen.png )";
	}
	else
	{
		dropContent.style.display = "none";
		dropMenu.style.backgroundImage = "url( ../images/v2/columnDropClosed.png )";
	}
	
	return false;
}