// JavaScript Document


//------------------------------------------------
//	ツリーメニュー
//------------------------------------------------

function intMenu(totalNum,activeNum){
	
	for(i = 1; i < totalNum + 1; i++){
		
		var btnObj = "btn0" + i;
		var menuObj = "menu0" + i;
		
		var btnParent = document.getElementById(btnObj);
		btnParent.getElementsByTagName("img").item(0).style.visibility = "visible";
		document.getElementById(menuObj).style.display = "none";
		
	}
	
	
	if(activeNum == 0){
		return false;
	}else{
		var activeBtnObj = "btn0" + activeNum;
		var activeMenuObj = "menu0" + activeNum;
		
		var btnParent = document.getElementById(activeBtnObj);
		btnParent.getElementsByTagName("img").item(0).style.visibility = "hidden";
		document.getElementById(activeMenuObj).style.display = "block";
	}
	
}

function exMenu(objNum){
	
	var btnName = "btn0" + objNum;
	var menuName = "menu0" + objNum;
	
	btnParent = document.getElementById(btnName);
	btnChild = btnParent.getElementsByTagName("img").item(0).style;
	menu = document.getElementById(menuName).style;

	if (menu.display == 'none'){
		btnChild.visibility = "hidden";
		menu.display = "block";
	}else{
		btnChild.visibility = "visible";
		menu.display = "none";
	}

}