function wasd(arg1, arg2, arg3)
{
	var className = 'off_link';
	var classSelected = 'selected';

	$('expertise_'+arg1).show();
	$('expertise_'+arg2).hide();
	$('expertise_'+arg3).hide();

	if($('expertise_'+arg1+'_link').hasClassName(className))
	{
		$('expertise_'+arg1+'_link').removeClassName(className);
		$('expertise_'+arg1+'_link').addClassName(classSelected);
	}

	if($('expertise_'+arg2+'_link').hasClassName(classSelected))
	{
		$('expertise_'+arg2+'_link').removeClassName(classSelected);
		$('expertise_'+arg2+'_link').addClassName(className);
	}

	if($('expertise_'+arg3+'_link').hasClassName(classSelected))
	{
		$('expertise_'+arg3+'_link').removeClassName(classSelected);
		$('expertise_'+arg3+'_link').addClassName(className);
	}

	Cufon.refresh('#expertise_menu li a')
}