function high(LinkObject)	{
	LinkObject.style.background = '#D9EBEB';
	LinkObject.style.cursor = 'pointer';
}

function low(LinkObject, depth)	{
	if(depth == 0) color = '#E8E8E8';
	else if(depth == 1) color = '#F4F4F4';
	LinkObject.style.background = color;
}