var path = "http://www.icra2009.org/"; // Renewal 2007
//var path = "D:\\Studio\\Projects\\ICRA2009\\web"; // Renewal 2007


//initRollovers
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'swapImg') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;

//initTopImage
function initTopImage (test){
	//更新の際は、下記変数を変更してください
	//画像ファイル名
	var imgname='mainImg.jpg'; 
	//画像キャプション
	var caption='<a href="about/message.html">筑波キャンパス中央口：学長室からのメッセージ</a>';
	
	if(test == 'test'){         //トップページプレビュー
	document.write('<div id="mainImg"><img src="../images/'+imgname+'" alt="「知の文化」形成へ　筑波研究学園都市の中核を担う教育研究拠点" width="758" height="160" /></div>');
	document.write('<div id="mi_caption">'+caption+'</div>');
	}else{                      //トップページ
	document.write('<div id="mainImg"><img src="images/'+imgname+'" alt="「知の文化」形成へ　筑波研究学園都市の中核を担う教育研究拠点" width="758" height="160" /></div>');
	document.write('<div id="mi_caption">'+caption+'</div>');
	}
}




//initButton
function initButton() {
	if(navigator.appVersion.indexOf("Mac") > -1 && navigator.appName.charAt(0) == "M"){
		//MacIE
  	}else{
		document.write('<a href="#" onclick="replace_css(\'print\',\''+path+'common/css/print.css\');window.print();changeCSS()">');
		document.write('<img src="'+path+'common/images/ct_nav_print.gif" alt="本文印刷" width="83" height="24" border="0" />');
		document.write('</a>');
	}
}




//このページのトップへ
var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var Moz = navigator.userAgent.indexOf("Gecko") != -1;
var Vmajor = parseInt(navigator.appVersion);	// ex. 3
var Vminor = parseFloat(navigator.appVersion);	// ex. 3.01
var MacIE4 = ((Mac && navigator.appVersion.indexOf('MSIE 4.',0) != -1));
var MacIE3 = ((Mac && navigator.appVersion.indexOf('MSIE 3.',0) != -1));

function getScrollLeft() {
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		if(navigator.appVersion.indexOf("Mac") > -1){
			return document.body.scrollLeft;
  		}else{
			return document.documentElement.scrollLeft;
		}
	} else if (window.pageXOffset) {
		return window.pageXOffset;
	}else{
		return 0;
	}
}

function getScrollTop() {
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		if(navigator.appVersion.indexOf("Mac") > -1){
			return document.body.scrollTop;
  		}else{
			return document.documentElement.scrollTop;
		}
	} else if (window.pageYOffset) {
		return window.pageYOffset;
	} else {
		return 0;
	}
}

function getScrollWidth() {
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		if(navigator.appVersion.indexOf("Mac") > -1){
			return document.body.scrollWidth;
  		}else{
			return document.documentElement.scrollWidth;
		}
	} else if (window.innerWidth) {
		return window.innerWidth;
	}
	return 0;
}

function getScrollHeight() {
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		if(navigator.appVersion.indexOf("Mac") > -1){
			return document.body.scrollHeight;
  		}else{
			return document.documentElement.scrollHeight;
		}
	} else if (window.innerHeight) {
		return window.innerHeight;
	}
	return 0;
}

var pageScrollTimer;

function pageScroll(toX,toY,frms,cuX,cuY) {
 if (pageScrollTimer) clearTimeout(pageScrollTimer);
 if (!toX || toX < 0) toX = 0;
 if (!toY || toY < 0) toY = 0;
 if (!cuX) cuX = 0 + getScrollLeft();
 if (!cuY) cuY = 0 + getScrollTop();
 if (!frms) frms = 6;

 cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
 cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
 var posX = Math.floor(cuX);
 var posY = Math.floor(cuY);
 window.scrollTo(posX, posY);
 if (posX != toX || posY != toY) {
  pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
 }
}

function toTop(){
	if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
		pageScroll(0,0,6);
	} else {
		location.hash = "pageTop";
	}
}

//ポップアップ
function popup(url) {
	newWin = window.open(url,'popped',
	'width=550,height=450,toolbar=no,border=0,status=no')
	newWin.focus()
}