function changeMenu(el){
	var targetId, targetElement;
	var menuId, menuEl;

	if (el.className == "Outline"){
		targetId = el.id + "details";
		targetElement = document.getElementById(targetId);
		if (targetElement.style.display == "none") {
			targetElement.style.display="";
		}else{
			targetElement.style.display="none";
		}
	}

	for(i=0;i<4;i++){
		menuId = "Out"+i;
		menuEl = document.getElementById(menuId);
		if (menuEl){
			if (menuEl.className=="Outline" && menuEl.id != el.id){
				targetId = menuEl.id+"details";
				targetEl = document.getElementById(targetId);

				if (targetEl.style.display == "") {
					targetEl.style.display="none";
				}
			}
		}
	}
}