/*
script.js
*/
function unv(imgname, path_off, path_on) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		imgpath = document.images[imgname].src;
		if( imgpath.indexOf("_on") >= 0 ){
			imgpath = path_off;
		}else{
			imgpath = path_on;
		}

		imgnum.src = imgpath;
		document.images[imgname].src = imgnum.src;
	}
}

function map(imgname, imgpath, imgpath_map) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		imgmap = new Image();
		//imgpath = document.images['floormap'+imgname].src;
		//imgpath_map = document.images['floormap'].src;

		imgnum.src = imgpath;
		document.images['floormap'+imgname].src = imgnum.src;
		imgmap.src = imgpath_map;
		document.images['floormap'].src = imgmap.src;
	}
}

function fsize(par, fs, fm, fl){
	document.getElementById('allcontents').style.fontSize=par;

	document.getElementById('btn_fs').src=fs;
	document.getElementById('btn_fm').src=fm;
	document.getElementById('btn_fl').src=fl;
}

function chgtab(id1,id2){
	var i = 0;
	while ( i < id2 ){
		document.getElementById('nw_area' + i).style.display = "none";
		i++;
	}
	document.getElementById('nw_area' + id1).style.display = "inline";
}

function opcl(id) {
	var i;
	if( id.indexOf("_on") >= 0 ){
		document.getElementById(id).style.display = "none";
		document.getElementById(id.substr(0,id.indexOf("_on"))).style.display = "block";
	} else {
		document.getElementById(id).style.display = "none";
		document.getElementById(id + '_on').style.display = "block";
	}
}

function random_img() {

	count = 6; /* 画像の数 */

	ranimg = Math.floor(Math.random() * count);
	

	if (ranimg == 0){
		document.write('<img src="/img/top/img_mainph0.jpg" width="783" height="226" alt="">'); 
	}

	if (ranimg == 1){
		document.write('<img src="/img/top/img_mainph1.jpg" width="783" height="226" alt="">'); 
	}

	if (ranimg == 2){
		document.write('<img src="/img/top/img_mainph2.jpg" width="783" height="226" alt="">'); 
	}

	if (ranimg == 3){
		document.write('<img src="/img/top/img_mainph3.jpg" width="783" height="226" alt="">'); 
	}

	if (ranimg == 4){
		document.write('<img src="/img/top/img_mainph4.jpg" width="783" height="226" alt="">'); 
	}

	if (ranimg == 5){
		document.write('<img src="/img/top/img_mainph5.jpg" width="783" height="226" alt="">'); 
	}

}

/* フォントサイズ変更リモコン出力 */
function moji() {
	return true;
/*	if(navigator.cookieEnabled){
		document.write("<div><img src=\"/img/cmn/title_fsizechange.jpg\" width=\"68\" height=\"18\" alt=\"文字サイズ\"></div>");
		document.write("<div><a href=\"javascript:void(0);\" onclick=\"setActiveStyleSheet('sml');\"  onkeypress=\"setActiveStyleSheet('sml');\"><img src=\"/img/cmn/btn_fonts.jpg\" width=\"24\" height=\"18\" alt=\"文字サイズ：小\" id=\"btn_fs\" name=\"btn_fs\"></a></div>");
		document.write("<div><a href=\"javascript:void(0);\" onclick=\"setActiveStyleSheet('mdl');\" onkeypress=\"setActiveStyleSheet('mdl');\"><img src=\"/img/cmn/btn_fontm_on.jpg\" width=\"24\" height=\"18\" alt=\"文字サイズ：中\" id=\"btn_fm\" name=\"btn_fm\"></a></div>");
		document.write("<div><a href=\"javascript:void(0);\" onclick=\"setActiveStyleSheet('big');\" onkeypress=\"setActiveStyleSheet('big');\"><img src=\"/img/cmn/btn_fontl.jpg\" width=\"24\" height=\"18\" alt=\"文字サイズ：大\" id=\"btn_fl\" name=\"btn_fl\"></a></div>");
	}
*/
}

/* フォントサイズ変更関連スクリプト ここから */
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }

	if(title == 'sml'){
		document.getElementById('btn_fl').src="/img/cmn/btn_fontl.jpg";
		document.getElementById('btn_fm').src="/img/cmn/btn_fontm.jpg";
		document.getElementById('btn_fs').src="/img/cmn/btn_fonts_on.jpg";
	} else if(title == 'mdl'){
		document.getElementById('btn_fl').src="/img/cmn/btn_fontl.jpg";
		document.getElementById('btn_fm').src="/img/cmn/btn_fontm_on.jpg";
		document.getElementById('btn_fs').src="/img/cmn/btn_fonts.jpg";
	} else if(title == 'big'){
		document.getElementById('btn_fl').src="/img/cmn/btn_fontl_on.jpg";
		document.getElementById('btn_fm').src="/img/cmn/btn_fontm.jpg";
		document.getElementById('btn_fs').src="/img/cmn/btn_fonts.jpg";
	}
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0){
     return c.substring(nameEQ.length,c.length);
    }
  }
  return null;
}
/*
window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
	if(title=='null') title = 'mdl';
  setActiveStyleSheet(title);
  if (nwpage){
    chgtab(nwpage, 3);
  }
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}
*/
/* フォントサイズ変更関連スクリプト ここまで */

/* キャンパスガイド オンマウス スクリプト ここから */
function campus(mapname, imgname) {
	if (navigator.appVersion > "3") {
		imgnum = new Image();
		imgpath = document.images[mapname].src;
		if (mapname == "yagami") { inum = 12; } else { inum = 10; }
		for (i = 1; i <= inum; i++) {
			if (imgname == i) {
				document.getElementById(mapname+i).style.display = "block";
			} else {
				document.getElementById(mapname+i).style.display = "none";
			}
		}
		document.images[mapname].src = "./img/"+mapname+"_"+imgname+".gif";
	}
}
/* キャンパスガイド オンマウス スクリプト ここまで */