function c1()
{
	document.getElementById('c1').style.display="block";
	document.getElementById('p1').style.display="block";
	document.getElementById('a1').className="active";
	document.getElementById('c2').style.display="none";
	document.getElementById('p2').style.display="none";
	document.getElementById('a2').className= "normal";
	document.getElementById('c3').style.display="none";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "normal";
	document.getElementById('c4').style.display="none";
	document.getElementById('p4').style.display="none";
	document.getElementById('a4').className= "normal";
}
function c2()
{
	document.getElementById('c1').style.display="none";
	document.getElementById('p1').style.display="none";
	document.getElementById('a1').className="normal";
	document.getElementById('c2').style.display="block";
	document.getElementById('p2').style.display="block";
	document.getElementById('a2').className= "active";
	document.getElementById('c3').style.display="none";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "normal";
	document.getElementById('c4').style.display="none";
	document.getElementById('p4').style.display="none";
	document.getElementById('a4').className= "normal";
}

function c2n()
{
	document.getElementById('c1').style.display="none";
	document.getElementById('p1').style.display="block";
	document.getElementById('a1').className="normal";
	document.getElementById('c2').style.display="block";
	document.getElementById('p2').style.display="none";
	document.getElementById('a2').className= "active";
	document.getElementById('c3').style.display="none";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "normal";
	document.getElementById('c4').style.display="none";
	document.getElementById('p4').style.display="none";
	document.getElementById('a4').className= "normal";
}

function c3()
{
	document.getElementById('c1').style.display="none";
	document.getElementById('p1').style.display="block";
	document.getElementById('a1').className="normal";
	document.getElementById('c2').style.display="none";
	document.getElementById('p2').style.display="none";
	document.getElementById('a2').className= "normal";
	document.getElementById('c3').style.display="block";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "active";
	document.getElementById('c4').style.display="none";
	document.getElementById('p4').style.display="none";
	document.getElementById('a4').className= "normal";
	
}
function c4()
{
	document.getElementById('c1').style.display="none";
	document.getElementById('p1').style.display="none";
	document.getElementById('a1').className="normal";
	document.getElementById('c2').style.display="none";
	document.getElementById('p2').style.display="none";
	document.getElementById('a2').className= "normal";
	document.getElementById('c3').style.display="none";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "normal";
	document.getElementById('c4').style.display="block";
	document.getElementById('p4').style.display="block";
	document.getElementById('a4').className= "active";
	
}

function c4n()
{
	document.getElementById('c1').style.display="none";
	document.getElementById('p1').style.display="block";
	document.getElementById('a1').className="normal";
	document.getElementById('c2').style.display="none";
	document.getElementById('p2').style.display="none";
	document.getElementById('a2').className= "normal";
	document.getElementById('c3').style.display="none";
	document.getElementById('p3').style.display="none";
	document.getElementById('a3').className= "normal";
	document.getElementById('c4').style.display="block";
	document.getElementById('p4').style.display="none";
	document.getElementById('a4').className= "active";
	
}