function show0(){
	cnt0.style.display="block";
	cnt1.style.display="none";
	cnt2.style.display="none";
	cnt3.style.display="none";
	cnt4.style.display="none";
}

function show1(){
	cnt0.style.display="none";
	cnt1.style.display="block";
	cnt2.style.display="none";
	cnt3.style.display="none";
	cnt4.style.display="none";
}

function show2(){
	cnt0.style.display="none";
	cnt1.style.display="none";
	cnt2.style.display="block";
	cnt3.style.display="none";
	cnt4.style.display="none";
}

function show3(){
	cnt0.style.display="none";
	cnt1.style.display="none";
	cnt2.style.display="none";
	cnt3.style.display="block";
	cnt4.style.display="none";
}

function show4(){
	cnt0.style.display="none";
	cnt1.style.display="none";
	cnt2.style.display="none";
	cnt3.style.display="none";
	cnt4.style.display="block";
}