function xSwitchTo(position)
{
	xScrollTo(position);
	$('.element-active').removeClass('element-active');
	$('#element-' + position).addClass('element-active');
}
function xScrollTo(position)
{
	margin = - (position - 1) * 900;
	$('#x-scroll-canvas').animate({marginLeft: margin + 'px'}, 1500);
}