function mainMenuActivate(id)
{
	if($(id))
		$(id).addClassName('active');
}

function mainMenuDeactivate(id)
{
	if($(id))
		$(id).removeClassName('active');
}


var saAnimation = false;
function toggleSA(id)
{
	if(!saAnimation)
	{
		if(!$('sa_' + id).visible())
		{
			saAnimation = true;
			//$($('articleDescriptionLink_' + id).parentNode).addClassName('active');
			Effect.SlideDown('sa_' + id, {duration: 0.5, afterFinish: saAnimationEnd});
		}
		else
		{
			saAnimation = true;
			//$($('articleDescriptionLink_' + id).parentNode).removeClassName('active');
			Effect.SlideUp('sa_' + id, {duration: 0.5, afterFinish: saAnimationEnd});
		}
	}
}
function saAnimationEnd()
{
	saAnimation = false;
}
function toggleRadioRow(className)
{
	$$('.' + className).each(function(element)
	{
		var input = element.select('input').first();
		if(!input.checked)
		{
			element.removeClassName('checked');
		}
		else
		{
			element.addClassName('checked');
		}
	}
	)
}