function list_on_1()
	{
		document.getElementById("btlist1").className = 'on';
		document.getElementById("list1").className = 'on';
		document.getElementById("list2").className = '';
		document.getElementById("btlist2").className = '';
	}
function list_on_2()
	{
		document.getElementById("btlist1").className = 'off';
		document.getElementById("btlist2").className = 'on';
		document.getElementById("list1").className = 'off';
		document.getElementById("list2").className = 'on';
	}
function list_off()
	{
		document.getElementById("btlist1").className = 'on';
		document.getElementById("list1").className = 'on';
		document.getElementById("list2").className = '';
		document.getElementById("btlist2").className = '';

	}