var i=1;
var k=1;
var j=1;
function show1()
{
	if(i==1) 
{document.all.d1.style.display = 'block';
i=0
}
	else 
{document.all.d1.style.display = 'none';
i=1;}

}

function show2()
{
	if(j==1) 
{document.all.d2.style.display = 'block';
j=0
}
	else 
{document.all.d2.style.display = 'none';
j=1;}

}

function show3()
{
	if(k==1) 
{document.all.d3.style.display = 'block';
k=0
}
	else 
{document.all.d3.style.display = 'none';
k=1;}

}


function show4()
{
	if(k==1) 
{document.all.d4.style.display = 'block';
k=0
}
	else 
{document.all.d4.style.display = 'none';
k=1;}

}

function show5()
{
	if(k==1) 
{document.all.d5.style.display = 'block';
k=0
}
	else 
{document.all.d5.style.display = 'none';
k=1;}

}


function show6()
{
	if(k==1) 
{document.all.d6.style.display = 'block';
k=0
}
	else 
{document.all.d6.style.display = 'none';
k=1;}

}