active="";
		NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;
		MOZ = (!document.layers) && (navigator.userAgent.indexOf('Mozilla')!=-1)?true:false;
		IE4plus = (document.all) ? true : false;

	function o(i){
	src=i.src; 
	pos=src.lastIndexOf("/")
	path = src.substr(0,pos+1)
	ext=src.substr(pos+1,3);
	filename=src.substr(pos+1,(src.length - path.length));
	fileWithoutExt = filename.substr(4,filename.length-4);
	imagename= path + ((ext=='onn')?'off_':'onn_') + fileWithoutExt
	i.src=imagename;
	}
	
	function on(d)
	{ 
		if (active!='')
		{off(active);}

		
		if (IE4plus)
		{
		ob=document.all[d+'Off']; ob.style.display = 'none';//((ob.style.display != 'none')?'':'none');
		ob=document.all[d+'Onn']; ob.style.display = '';//((ob.style.display != 'none')?'':'none');
		active=d;
		}
		
		
		else if(MOZ || NS6)
		{
		ob=document.getElementById(d+'Off'); ob.style.display = 'none';//((ob.style.display != 'none')?'':'none');
		ob=document.getElementById(d+'Onn'); ob.style.display = '';//((ob.style.display != 'none')?'':'none');
		active=d;
		}
		
	}
	
	function off(d)
	{
		if ((active=='none') || (active=='')) return;

		if (IE4plus)
		{
		ob=document.all[d+'Off']; ob.style.display = '';//((ob.style.display != 'none')?'':'none');
		ob=document.all[d+'Onn']; ob.style.display = 'none';//((ob.style.display != 'none')?'':'none');
		}


		else if(MOZ || NS6)
		{
		ob=document.getElementById(d+'Off'); ob.style.display = '';//((ob.style.display != 'none')?'':'none');
		ob=document.getElementById(d+'Onn'); ob.style.display = 'none';//((ob.style.display != 'none')?'':'none');
		}
		
	}
	
	function onPageLoad()
	{
		if (active!='') { on(active); }
	}