function doClick_m(o){
	 o.className="m-2";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=7;i++){
	   id ="m"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("m_con"+i);
	   if(id != o.id){
	   	 j.className="m-1";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }
//¸ß¿¼3/
function doClick_ny(o){
	 o.className="ny-1";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=4;i++){
	   id ="ny"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("ny_con"+i);
	   if(id != o.id){
	   	 j.className="ny-2";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }
//¸ß¿¼3//
function doClick_about(o){
	 o.className="about-2";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=4;i++){
	   id ="about"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("about_con"+i);
	   if(id != o.id){
	   	 j.className="about-1";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }
//¸ß¿¼3//