function printpreview()
{
 window.print();
 }


		function book1()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('book-l').style.visibility='visible';
				document.getElementById('book-p').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['book-l'].style.visibility='visible';
				document.all['book-p'].style.visibility='visible';
			}
		}
		
		function book2()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('book-l').style.visibility='hidden';
				document.getElementById('book-p').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['book-l'].style.visibility='hidden';
				document.all['book-p'].style.visibility='hidden';
			}
		}
    
    
    
    function show0()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l0').style.visibility='visible';
				document.getElementById('hl_p0').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l0'].style.visibility='visible';
				document.all['hl_p0'].style.visibility='visible';
			}
		}
		
		function hide0()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l0').style.visibility='hidden';
				document.getElementById('hl_p0').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l0'].style.visibility='hidden';
				document.all['hl_p0'].style.visibility='hidden';
			}
		}
		
		function show1()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l1').style.visibility='visible';
				document.getElementById('hl_p1').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l1'].style.visibility='visible';
				document.all['hl_p1'].style.visibility='visible';
			}
		}
		
		function hide1()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l1').style.visibility='hidden';
				document.getElementById('hl_p1').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l1'].style.visibility='hidden';
				document.all['hl_p1'].style.visibility='hidden';
			}
		}
		
		function show2()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l2').style.visibility='visible';
				document.getElementById('hl_p2').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l2'].style.visibility='visible';
				document.all['hl_p2'].style.visibility='visible';
			}
		}
		
		function hide2()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l2').style.visibility='hidden';
				document.getElementById('hl_p2').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l2'].style.visibility='hidden';
				document.all['hl_p2'].style.visibility='hidden';
			}
		}
   
    function show3()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l3').style.visibility='visible';
				document.getElementById('hl_p3').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l3'].style.visibility='visible';
				document.all['hl_p3'].style.visibility='visible';
			}
		}
		
		function hide3()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l3').style.visibility='hidden';
				document.getElementById('hl_p3').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l3'].style.visibility='hidden';
				document.all['hl_p3'].style.visibility='hidden';
			}
		}
		
    
    
    function show4()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l4').style.visibility='visible';
				document.getElementById('hl_p4').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l4'].style.visibility='visible';
				document.all['hl_p4'].style.visibility='visible';
			}
		}
		
		function hide4()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l4').style.visibility='hidden';
				document.getElementById('hl_p4').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l4'].style.visibility='hidden';
				document.all['hl_p4'].style.visibility='hidden';
			}
		}
		
    function show5()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l5').style.visibility='visible';
				document.getElementById('hl_p5').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l5'].style.visibility='visible';
				document.all['hl_p5'].style.visibility='visible';
			}
		}
		
		function hide5()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l5').style.visibility='hidden';
				document.getElementById('hl_p5').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l5'].style.visibility='hidden';
				document.all['hl_p5'].style.visibility='hidden';
			}
		}
		
		function show6()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l6').style.visibility='visible';
				document.getElementById('hl_p6').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l6'].style.visibility='visible';
				document.all['hl_p6'].style.visibility='visible';
			}
		}
		
		function hide6()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l6').style.visibility='hidden';
				document.getElementById('hl_p6').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l6'].style.visibility='hidden';
				document.all['hl_p6'].style.visibility='hidden';
			}
		}
		
		function show7()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l7').style.visibility='visible';
				document.getElementById('hl_p7').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l7'].style.visibility='visible';
				document.all['hl_p7'].style.visibility='visible';
			}
		}
		
		function hide7()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l7').style.visibility='hidden';
				document.getElementById('hl_p7').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l7'].style.visibility='hidden';
				document.all['hl_p7'].style.visibility='hidden';
			}
		}
		
		
		function show8()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l8').style.visibility='visible';
				document.getElementById('hl_p8').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l8'].style.visibility='visible';
				document.all['hl_p8'].style.visibility='visible';
			}
		}
		
		
		function hide8()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l8').style.visibility='hidden';
				document.getElementById('hl_p8').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l8'].style.visibility='hidden';
				document.all['hl_p8'].style.visibility='hidden';
			}
		}
		
		
		function show9()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('hl_l9').style.visibility='visible';
				document.getElementById('hl_p9').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l9'].style.visibility='visible';
				document.all['hl_p9'].style.visibility='visible';
			}
		}
		
		
		function hide9()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('hl_l9').style.visibility='hidden';
				document.getElementById('hl_p9').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['hl_l9'].style.visibility='hidden';
				document.all['hl_p9'].style.visibility='hidden';
			}
		}
		
		
		
		
		
		
		function show_l0()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l0').style.visibility='visible';
				document.getElementById('l_p0').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l0'].style.visibility='visible';
				document.all['l_p0'].style.visibility='visible';
			}
		}
		
		function hide_l0()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l0').style.visibility='hidden';
				document.getElementById('l_p0').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l0'].style.visibility='hidden';
				document.all['l_p0'].style.visibility='hidden';
			}
		}
		
		function show_l1()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l1').style.visibility='visible';
				document.getElementById('l_p1').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l1'].style.visibility='visible';
				document.all['l_p1'].style.visibility='visible';
			}
		}
		
		function hide_l1()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l1').style.visibility='hidden';
				document.getElementById('l_p1').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l1'].style.visibility='hidden';
				document.all['l_p1'].style.visibility='hidden';
			}
		}
		
		function show_l2()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l2').style.visibility='visible';
				document.getElementById('l_p2').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l2'].style.visibility='visible';
				document.all['l_p2'].style.visibility='visible';
			}
		}
		
		function hide_l2()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l2').style.visibility='hidden';
				document.getElementById('l_p2').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l2'].style.visibility='hidden';
				document.all['l_p2'].style.visibility='hidden';
			}
		}
		
    function show_l3()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l3').style.visibility='visible';
				document.getElementById('l_p3').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l3'].style.visibility='visible';
				document.all['l_p3'].style.visibility='visible';
			}
		}
		
		function hide_l3()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l3').style.visibility='hidden';
				document.getElementById('l_p3').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l3'].style.visibility='hidden';
				document.all['l_p3'].style.visibility='hidden';
			}
		}
		
		function show_l4()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l4').style.visibility='visible';
				document.getElementById('l_p4').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l4'].style.visibility='visible';
				document.all['l_p4'].style.visibility='visible';
			}
		}
		
		function hide_l4()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l4').style.visibility='hidden';
				document.getElementById('l_p4').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l4'].style.visibility='hidden';
				document.all['l_p4'].style.visibility='hidden';
			}
		}
		
		function show_l5()
		{
			if(navigator.appName == "Netscape")
			{ 
				document.getElementById('l_l5').style.visibility='visible';
				document.getElementById('l_p5').style.visibility='visible';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l5'].style.visibility='visible';
				document.all['l_p5'].style.visibility='visible';
			}
		}
		
		function hide_l5()
		{
			if(navigator.appName == "Netscape")
			{
				document.getElementById('l_l5').style.visibility='hidden';
				document.getElementById('l_p5').style.visibility='hidden';
			}
			else if(navigator.appName == "Microsoft Internet Explorer")
			{
				document.all['l_l5'].style.visibility='hidden';
				document.all['l_p5'].style.visibility='hidden';
			}
		}