function menuChange (menuId)
{
	menuState = document.getElementById(menuId).style;
	//リンク
	if(menuId =="1"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
		//政策ネットワーク
	if(menuId =="2"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
		//政策ネットワーク
	if(menuId =="3"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
		//政策ネットワーク
	if(menuId =="4"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
		//臨床研修案内
	if(menuId =="5"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
		//中期目標・計画
	if(menuId =="6"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
	
		//情報公開
	if(menuId =="7"){
		if (menuState.display == 'none')  menuState.display = "block";  else menuState.display = "none";
	}
}