function reg(){
	document.getElementById("myform").style.display="block";
	document.getElementById("loginfrm").style.display="none";
	document.getElementById("bt_reg").className="btn1";
	document.getElementById("bt_login").className="btn02";
}
function login(){
	document.getElementById("myform").style.display="none";
	document.getElementById("loginfrm").style.display="block";
	document.getElementById("bt_reg").className="btn01";
	document.getElementById("bt_login").className="btn2";

}


function news1(){
	document.getElementById("nlist1").style.display="block";
	document.getElementById("nlist2").style.display="none";
	document.getElementById("nlist3").style.display="none";
	document.getElementById("nlist4").style.display="none";
	document.getElementById("n1").className="bt1";
	document.getElementById("n2").className="";
	document.getElementById("n3").className="";
	document.getElementById("n4").className="";
}
function news2(){
	document.getElementById("nlist1").style.display="none";
	document.getElementById("nlist2").style.display="block";
	document.getElementById("nlist3").style.display="none";
	document.getElementById("nlist4").style.display="none";
	document.getElementById("n1").className="";
	document.getElementById("n2").className="bt2";
	document.getElementById("n3").className="";
	document.getElementById("n4").className="";
}
function news3(){
	document.getElementById("nlist1").style.display="none";
	document.getElementById("nlist2").style.display="none";
	document.getElementById("nlist3").style.display="block";
	document.getElementById("nlist4").style.display="none";
	document.getElementById("n1").className="";
	document.getElementById("n2").className="";
	document.getElementById("n3").className="bt3";
	document.getElementById("n4").className="";
}
function news4(){
	document.getElementById("nlist1").style.display="none";
	document.getElementById("nlist2").style.display="none";
	document.getElementById("nlist3").style.display="none";
	document.getElementById("nlist4").style.display="block";
	document.getElementById("n1").className="";
	document.getElementById("n2").className="";
	document.getElementById("n3").className="";
	document.getElementById("n4").className="bt4";
}



function tr1(){
	document.getElementById("nlist1_1").style.display="block";
	document.getElementById("nlist1_2").style.display="none";
	document.getElementById("nlist1_3").style.display="none";
	document.getElementById("btn1").className="bb1";
	document.getElementById("btn2").className="bb02";
	document.getElementById("btn3").className="bb03";
}
function tr2(){
	document.getElementById("nlist1_1").style.display="none";
	document.getElementById("nlist1_2").style.display="block";
	document.getElementById("nlist1_3").style.display="none";
	document.getElementById("btn1").className="bb01";
	document.getElementById("btn2").className="bb2";
	document.getElementById("btn3").className="bb03";
}
function tr3(){
	document.getElementById("nlist1_1").style.display="none";
	document.getElementById("nlist1_2").style.display="none";
	document.getElementById("nlist1_3").style.display="block";
	document.getElementById("btn1").className="bb01";
	document.getElementById("btn2").className="bb02";
	document.getElementById("btn3").className="bb3";
}


function bk(){
	document.getElementById("bk").style.display="block";
	document.getElementById("gl").style.display="none";
	document.getElementById("bb1").className="";
	document.getElementById("bb2").className="n02";
}
function gl(){
	document.getElementById("bk").style.display="none";
	document.getElementById("gl").style.display="block";
	document.getElementById("bb1").className="n01";
	document.getElementById("bb2").className="";

}