function hide_all()
		{
			document.getElementById("downstair").style.visibility="hidden";
			document.getElementById("livingroom").style.visibility="hidden";
			document.getElementById("bedroom").style.visibility="hidden";
			document.getElementById("bedroom2").style.visibility="hidden";
			document.getElementById("outside").style.visibility="hidden";
			document.getElementById("back").style.visibility="hidden";
			document.getElementById("taw").style.visibility="hidden";
			document.getElementById("taw1").style.visibility="hidden";
			document.getElementById("taw2").style.visibility="hidden";
			document.getElementById("taw3").style.visibility="hidden";
			document.getElementById("taw4").style.visibility="hidden";
			document.getElementById("taw5").style.visibility="hidden";
		}

	function outside_link()
		{
			hide_all();
			document.getElementById("outside").style.visibility="visible";
		}
	function back_link()
		{
			hide_all();
			document.getElementById("back").style.visibility="visible";
		}
	function downstair_link()
		{
			hide_all();
			document.getElementById("downstair").style.visibility="visible";
		}
	function livingroom_link()
		{
			hide_all();
			document.getElementById("livingroom").style.visibility="visible";
		}
	function bedroom_link()
		{
			hide_all();
			document.getElementById("bedroom").style.visibility="visible";
		}		
	function bedroom2_link()
		{
			hide_all();
			document.getElementById("bedroom2").style.visibility="visible";
		}
	function taw_link()
		{
			hide_all();
			document.getElementById("taw").style.visibility="visible";
		}
	function taw1_link()
		{
			hide_all();
			document.getElementById("taw1").style.visibility="visible";
		}
	function taw2_link()
		{
			hide_all();
			document.getElementById("taw2").style.visibility="visible";
		}
	function taw3_link()
		{
			hide_all();
			document.getElementById("taw3").style.visibility="visible";
		}
	function taw4_link()
		{
			hide_all();
			document.getElementById("taw4").style.visibility="visible";
		}
	function taw5_link()
		{
			hide_all();
			document.getElementById("taw5").style.visibility="visible";
		}