function lyzoom(em)
{
	if (document.getElementById)
	{
		document.getElementById(em).style.display = 'block';
	}
}

function lyzoomout(em)
{
	if (document.getElementById)
	{
		document.getElementById(em).style.display = 'none';
	}
}

function lyimagezoom(parent,element)
{
	var parent_width = document.images[parent].width;
	var zoom_height = document.images[parent].height;
	if (document.getElementById)
	{
		document.getElementById(element).style.display = 'block';
		document.getElementById(element).style.left = parent_width + 10;
		document.getElementById(element).style.top = - 20;
	}
}

function lyimagezoomout(element)
{
	if (document.getElementById)
	{
		document.getElementById(element).style.display = 'none';
	}
}