//function copyRight(){
//	document.getElementById('cr').innerHTML = 'Copyright © 2009 OSAKA PREFECTURE UNIVERSITY All Rights Reserved.';
//}

function openWin(url){
	var subWin = window.open(url, '_blank');
	subWin.focus();
	return false;
}

function closeWin(){
	window.close();
	return false;
}

function winWindow(){
	var Button = document.getElementsByTagName("*");
	for (var i=0;i<Button.length;i++){
		if(Button[i].className=='close'){
			closeButton = Button[i].firstChild;
			
			if(closeButton.addEventListener){
				closeButton.addEventListener("click", closeWin, false);
			}
			else if(closeButton.attachEvent){
				closeButton.attachEvent("onclick", closeWin);
			}
		}
	}
}


function navRollover(){
	if(document.getElementsByTagName){
		var images = document.getElementsByTagName("img");
		var bodyId = document.getElementsByTagName("body")[0].id;
		var navMenu = new Array();
		var buttonImg = new Image();
		var URLstring = document.URL;
		
		for(var i=0; i < images.length; i++){
			if(images[i].getAttribute("src").match("btn_")){
				navMenu[i] = new Image();
//				navMenu[i].src = images[i].src.replace("btn_", "btnover_");
				navMenu[i].src = images[i].src.replace("btn_", "btnover_");
				var navName = navMenu[i].src.match(/btnover_[a-z]*/);
				
				if("navover_" + bodyId == navName){
					var listName = 'N' + bodyId;
					var currentId = document.getElementById(listName);
					var currentList = currentId.childNodes[0];
					var currentImg = currentList.childNodes[0];
					
					currentImg.src = currentImg.src.replace("nav_", "navover_");
				}
				else{
					images[i].onmouseover = function(){
								this.setAttribute("src", this.getAttribute("src").replace("btn_", "btnover_"));
					}
					images[i].onmouseout = function(){
								this.setAttribute("src", this.getAttribute("src").replace("btnover_", "btn_"));
					}
				}
			}
		}
	}
}



function addEvent(elm,listener,fn){
	try{
		elm.addEventListener(listener,fn,false);
	}catch(e){
		elm.attachEvent("on"+listener,fn);
	}
}
	addEvent(window,"load",function(){winWindow()});
//	addEvent(window,"load",function(){copyRight()});
	addEvent(window,"load",function(){navRollover()});