function change2_text(mode)
{
	if ( mode == "on" )
	{
		document.getElementById("category1_on").style.display = "none";
		document.getElementById("category1_off").style.display = "block";

		document.getElementById("room2_text_1").style.display = "none";
	}
	else
	{
		document.getElementById("category1_on").style.display = "block";
		document.getElementById("category1_off").style.display = "none";

		document.getElementById("room2_text_1").style.display = "block";
	}
}