function Show_ak(akid_num,aknum){
	for(var i=0;i<2;i++){document.getElementById("akcontent_"+akid_num+i).style.display="none";}
	for(var i=0;i<2;i++){document.getElementById("akmenu_"+akid_num+i).className="akoff";}
	document.getElementById("akmenu_"+akid_num+aknum).className="ak";
	document.getElementById("akcontent_"+akid_num+aknum).style.display="block";
}

function Show_bk(bkid_num,bknum){
	for(var i=0;i<3;i++){document.getElementById("bkcontent_"+bkid_num+i).style.display="none";}
	for(var i=0;i<3;i++){document.getElementById("bkmenu_"+bkid_num+i).className="bkoff";}
	document.getElementById("bkmenu_"+bkid_num+bknum).className="bk";
	document.getElementById("bkcontent_"+bkid_num+bknum).style.display="block";
}

function Show_ck(ckid_num,cknum){
	for(var i=0;i<3;i++){document.getElementById("ckcontent_"+ckid_num+i).style.display="none";}
	for(var i=0;i<3;i++){document.getElementById("ckmenu_"+ckid_num+i).className="ckoff";}
	document.getElementById("ckmenu_"+ckid_num+cknum).className="ck";
	document.getElementById("ckcontent_"+ckid_num+cknum).style.display="block";
}


function Show_dk(dkid_num,dknum){
	for(var i=0;i<3;i++){document.getElementById("dkcontent_"+dkid_num+i).style.display="none";}
	for(var i=0;i<3;i++){document.getElementById("dkmenu_"+dkid_num+i).className="dkoff";}
	document.getElementById("dkmenu_"+dkid_num+dknum).className="dk";
	document.getElementById("dkcontent_"+dkid_num+dknum).style.display="block";
}

function Show_ek(ekid_num,eknum){
	for(var i=0;i<2;i++){document.getElementById("ekcontent_"+ekid_num+i).style.display="none";}
	for(var i=0;i<2;i++){document.getElementById("ekmenu_"+ekid_num+i).className="ekoff";}
	document.getElementById("ekmenu_"+ekid_num+eknum).className="ek";
	document.getElementById("ekcontent_"+ekid_num+eknum).style.display="block";
}

function Show_fk(fkid_num,fknum){
	for(var i=0;i<2;i++){document.getElementById("fkcontent_"+fkid_num+i).style.display="none";}
	for(var i=0;i<2;i++){document.getElementById("fkmenu_"+fkid_num+i).className="fkoff";}
	document.getElementById("fkmenu_"+fkid_num+fknum).className="fk";
	document.getElementById("fkcontent_"+fkid_num+fknum).style.display="block";
}