var ns4=document.layers;
var ns6=document.getElementById&&!document.all;
var ie4=document.all;

function show(i)
{
	if (ie4)
	{
		if (i=='A')
		{
			CrossSectionA.style.visibility='visible';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='B')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='visible';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='C')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='visible';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='D')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='visible';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='E')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='visible';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='F')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='visible';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='G')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='visible';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='H')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='visible';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='I')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='visible';
		}
		else if (i=='A20')
		{
			A20.style.visibility='visible';
			A21.style.visibility='hidden';
			A22.style.visibility='hidden';
			A23.style.visibility='hidden';
		}
		else if (i=='A21')
		{
			A20.style.visibility='hidden';
			A21.style.visibility='visible';
			A22.style.visibility='hidden';
			A23.style.visibility='hidden';
		}
		else if (i=='A22')
		{
			A20.style.visibility='hidden';
			A21.style.visibility='hidden';
			A22.style.visibility='visible';
			A23.style.visibility='hidden';
		}
		else if (i=='A23')
		{
			A20.style.visibility='hidden';
			A21.style.visibility='hidden';
			A22.style.visibility='hidden';
			A23.style.visibility='visible';
		}
		else if (i=='B15')
		{
			B15.style.visibility='visible';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B16')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='visible';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B18')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='visible';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B19')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='visible';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B24')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='visible';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B25')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='visible';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B26')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='visible';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='B27')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='visible';
			B29.style.visibility='hidden';
		}
		else if (i=='B29')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='visible';
		}
		else if (i=='C17')
		{
			C17.style.visibility='visible';
			C28.style.visibility='hidden';
			C30.style.visibility='hidden';
		}
		else if (i=='C28')
		{
			C17.style.visibility='hidden';
			C28.style.visibility='visible';
			C30.style.visibility='hidden';
		}
		else if (i=='C30')
		{
			C17.style.visibility='hidden';
			C28.style.visibility='hidden';
			C30.style.visibility='visible';
		}
		else if (i=='D3')
		{
			D3.style.visibility='visible';
			D4.style.visibility='hidden';
			D14.style.visibility='hidden';
		}
		else if (i=='D4')
		{
			D3.style.visibility='hidden';
			D4.style.visibility='visible';
			D14.style.visibility='hidden';
		}
		else if (i=='D14')
		{
			D3.style.visibility='hidden';
			D4.style.visibility='hidden';
			D14.style.visibility='visible';
		}
		else if (i=='E1')
		{
			E1.style.visibility='visible';
			E2.style.visibility='hidden';
			E13.style.visibility='hidden';
		}
		else if (i=='E2')
		{
			E1.style.visibility='hidden';
			E2.style.visibility='visible';
			E13.style.visibility='hidden';
		}
		else if (i=='E13')
		{
			E1.style.visibility='hidden';
			E2.style.visibility='hidden';
			E13.style.visibility='visible';
		}
		else if (i=='F12')
		{
			F5.style.visibility='hidden';
			F12.style.visibility='visible';
		}
		else if (i=='F5')
		{
			F5.style.visibility='visible';
			F12.style.visibility='hidden';
		}
		else if (i=='G6')
		{
			G6.style.visibility='visible';
			G11.style.visibility='hidden';
		}
		else if (i=='G11')
		{
			G6.style.visibility='hidden';
			G11.style.visibility='visible';
		}
		else if (i=='H7')
		{
			H7.style.visibility='visible';
			H8.style.visibility='hidden';
			H9.style.visibility='hidden';
			H10.style.visibility='hidden';
		}
		else if (i=='H8')
		{
			H7.style.visibility='hidden';
			H8.style.visibility='visible';
			H9.style.visibility='hidden';
			H10.style.visibility='hidden';
		}
		else if (i=='H9')
		{
			H7.style.visibility='hidden';
			H8.style.visibility='hidden';
			H9.style.visibility='visible';
			H10.style.visibility='hidden';
		}
		else if (i=='H10')
		{
			H7.style.visibility='hidden';
			H8.style.visibility='hidden';
			H9.style.visibility='hidden';
			H10.style.visibility='visible';
		}
		else if (i=='I1')
		{
			I1.style.visibility='visible';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I2')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='visible';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I3')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='visible';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I4')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='visible';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I5')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='visible';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I6')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='visible';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I7')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='visible';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I8')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='visible';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
		else if (i=='I9')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='visible';
			I10.style.visibility='hidden';
		}
		else if (i=='I10')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='visible';
		}
		else if (i=='XX')
		{
			CrossSectionA.style.visibility='hidden';
			CrossSectionB.style.visibility='hidden';
			CrossSectionC.style.visibility='hidden';
			CrossSectionD.style.visibility='hidden';
			CrossSectionE.style.visibility='hidden';
			CrossSectionF.style.visibility='hidden';
			CrossSectionG.style.visibility='hidden';
			CrossSectionH.style.visibility='hidden';
			CrossSectionI.style.visibility='hidden';
		}
		else if (i=='AXX')
		{
			A20.style.visibility='hidden';
			A21.style.visibility='hidden';
			A22.style.visibility='hidden';
			A23.style.visibility='hidden';
		}
		else if (i=='BXX')
		{
			B15.style.visibility='hidden';
			B16.style.visibility='hidden';
			B18.style.visibility='hidden';
			B19.style.visibility='hidden';
			B24.style.visibility='hidden';
			B25.style.visibility='hidden';
			B26.style.visibility='hidden';
			B27.style.visibility='hidden';
			B29.style.visibility='hidden';
		}
		else if (i=='CXX')
		{
			C17.style.visibility='hidden';
			C28.style.visibility='hidden';
			C30.style.visibility='hidden';
		}
		else if (i=='DXX')
		{
			D3.style.visibility='hidden';
			D4.style.visibility='hidden';
			D14.style.visibility='hidden';
		}
		else if (i=='EXX')
		{
			E1.style.visibility='hidden';
			E2.style.visibility='hidden';
			E13.style.visibility='hidden';
		}
		else if (i=='FXX')
		{
			F5.style.visibility='hidden';
			F12.style.visibility='hidden';
		}
		else if (i=='GXX')
		{
			G6.style.visibility='hidden';
			G11.style.visibility='hidden';
		}
		else if (i=='HXX')
		{
			H7.style.visibility='hidden';
			H8.style.visibility='hidden';
			H9.style.visibility='hidden';
			H10.style.visibility='hidden';
		}
		else if (i=='IXX')
		{
			I1.style.visibility='hidden';
			I2.style.visibility='hidden';
			I3.style.visibility='hidden';
			I4.style.visibility='hidden';
			I5.style.visibility='hidden';
			I6.style.visibility='hidden';
			I7.style.visibility='hidden';
			I8.style.visibility='hidden';
			I9.style.visibility='hidden';
			I10.style.visibility='hidden';
		}
	}
}