var tmp_img = null;

function m_on(obj, num)
{
	var obj2 = document.getElementById('c'+num);
	
	obj.style.backgroundColor = '#C5C5C5';
	obj.style.color = '#454545';
	obj2.style.backgroundColor = '#C5C5C5';
	document.images['i'+num].style.visibility = 'visible';
}

function m_off(obj, num)
{
	var obj2 = document.getElementById('c'+num);
	
	obj.style.backgroundColor = '#ffffff';
	obj2.style.backgroundColor = '#ffffff';
	obj.style.color = '#99999A';
	document.images['i'+num].style.visibility = 'hidden';
}