function fadeIn(elemId)
{
Effect.Appear(elemId, { duration: 0.3,from:0.6 });
}
function fadeOut(elemId)
{
Effect.Fade(elemId, { duration: 0.3,to:0.6 });
}
function toggleFilter(elem)
{
	if (elem.style.display=='none')
	{
		Effect.BlindDown(elem, { duration:0.3 });
	}
	else
	{
		Effect.BlindUp(elem, { duration:0.3 });
		
	}
	
}