function button1on() { document.button1.src = A.src;}
		function button1off() { document.button1.src = B.src;}
		function button2on() { document.button2.src = C.src;}
		function button2off() { document.button2.src = D.src;}
		function button3on() { document.button3.src = E.src;}
		function button3off() { document.button3.src = F.src;}
		function button4on() { document.button4.src = G.src;}
		function button4off() { document.button4.src = H.src;}
		function button5on() { document.button5.src = I.src;}
		function button5off() { document.button5.src = J.src;}
		function button6on() { document.button6.src = K.src;}
		function button6off() { document.button6.src = L.src;}
		function button7on() { document.button7.src = M.src;}
		function button7off() { document.button7.src = N.src;}
		function button8on() { document.button8.src = R.src;}
		function button8off() { document.button8.src = S.src;}		
		
		
		
		{
		var A=new Image();
		var B=new Image();
		var C=new Image();
		var D=new Image();
		var E=new Image();
		var F=new Image();
		var G=new Image();
		var H=new Image();
		var I=new Image();
		var J=new Image();
		var K=new Image();
		var L=new Image();
		var M=new Image();
		var N=new Image();
		var R=new Image();
		var S=new Image();
		
		
		A.src="/_std/images/btn_on_info.gif";
		B.src="/_std/images/btn_off_info.gif";
		C.src="/_std/images/btn_on_tier.gif";
		D.src="/_std/images/btn_off_tier.gif";
		E.src="/_std/images/btn_on_veran.gif";
		F.src="/_std/images/btn_off_veran.gif";
		G.src="/_std/images/btn_on_aktu.gif";
		H.src="/_std/images/btn_off_aktu.gif";
		I.src="/_std/images/btn_on_zoo.gif";
		J.src="/_std/images/btn_off_zoo.gif";
		K.src="/_std/images/btn_on_zooplan.gif";
		L.src="/_std/images/btn_off_zooplan.gif";
		M.src="/_std/images/btn_on_arten.gif";
		N.src="/_std/images/btn_off_arten.gif";
		R.src="/_std/images/btn_on_kont.gif";
		S.src="/_std/images/btn_off_kont.gif";
		
		}