function so(s){
	if(s=="a"){
		soa.style.display="block";
		sob.style.display="none";
	}
		if(s=="b"){
		soa.style.display="none";
		sob.style.display="block";
	}
}
function ao(s){
	if(s=="c"){
		aoc.style.display="block";
		aod.style.display="none";
		aoe.style.display="none";
		aof.style.display="none";
		aog.style.display="none";
	}
	if(s=="d"){
		aoc.style.display="none";
		aod.style.display="block";
		aoe.style.display="none";
		aof.style.display="none";
		aog.style.display="none";
	}
	if(s=="e"){
		aoc.style.display="none";
		aod.style.display="none";
		aoe.style.display="block";
		aof.style.display="none";
		aog.style.display="none";
	}
	if(s=="f"){
		aoc.style.display="none";
		aod.style.display="none";
		aoe.style.display="none";
		aof.style.display="block";
		aog.style.display="none";
	}
	if(s=="g"){
		aoc.style.display="none";
		aod.style.display="none";
		aoe.style.display="none";
		aof.style.display="none";
		aog.style.display="block";
	}
}