function switch_small()
{
	if(document.getElementById("small").src == "http://www.byyani.com/images/stone-small.jpg")
	{
		document.getElementById("small").src = "http://www.byyani.com/images/stone-small-detail.jpg";
	}
	else if(document.getElementById("small").src == "http://www.byyani.com/images/stone-small-detail.jpg")
	{
		document.getElementById("small").src = "http://www.byyani.com/images/stone-small.jpg";
	}
}

function switch_large()
{
	if(document.getElementById("large").src == "http://www.byyani.com/images/stone-large.jpg")
	{
		document.getElementById("large").src = "http://www.byyani.com/images/stone-large-detail.jpg";
	}
	else if(document.getElementById("large").src == "http://www.byyani.com/images/stone-large-detail.jpg")
	{
		document.getElementById("large").src = "http://www.byyani.com/images/stone-large.jpg";
	}
}

function switch_rect()
{
	if(document.getElementById("rect").src == "http://www.byyani.com/images/stone-rect.jpg")
	{
		document.getElementById("rect").src = "http://www.byyani.com/images/stone-rect-detail.jpg";
	}
	else if(document.getElementById("rect").src == "http://www.byyani.com/images/stone-rect-detail.jpg")
	{
		document.getElementById("rect").src = "http://www.byyani.com/images/stone-rect.jpg";
	}
}