function imagePrefix(img) {

//  if (document.URL.indexOf("netvigator") > 0) 

//  return "http://promusica_hk.tripod.com/pm/" + img

//  return "http://hkeo.uhome.net/pm/" + img

//  return "http://www27.brinkster.com/karenyau/pm/" + img

//    return "http://ihome.ust.hk/~ctgloria/pro-musica/" + img

//  else
    return "image/" + img;

}

function imageLink(img) {

  var imgLink = "";

  imgLink = "<a href=";

//  if (document.URL.indexOf("netvigator") > 0)

//    imgLink += imagePrefix("showphoto.asp?p=")

//  return "http://promusica_hk.tripod.com/pm/" + img

//  return "http://hkeo.uhome.net/pm/" + img

//  else
    imgLink += "image/";

  imgLink += img + " target=_blank><img src=site_search.gif height=16 border=0><small><span lang=en>view photo</span><span lang=zh>觀看相片</span></small></a>";

  return imgLink;

}



function showImage(img1, img2, w, h, alten, altzh, position) {

  document.write("<img src=" + imagePrefix(img1) + " border=0");

  if (img2 != "") document.write(' onMouseOver=this.src="' + imagePrefix(img2) + '" onMouseOut=this.src="' + imagePrefix(img1) + '"');

  if (w != 0) document.write(" width=" + w );

  if (h != 0) document.write(" height=" + h );

  if (position != "") document.write(" align=" + position);

  if ((alten != "") && (altzh != ""))

    document.write(' alt="' + alten + ' ' + altzh + '">')

  else if ((alten != "") || (altzh != ""))

    document.write(' alt="' + alten + altzh + '">')

  else

    document.write(">");

  document.write("<br>");

  if ((alten != "") && (altzh != ""))

    document.write('<small><span lang=en>' + alten + '</span><span lang=zh>' + altzh + '</span></small><br>')

  else if ((alten != "") || (altzh != ""))

    document.write('<small>' + alten + altzh + '</small><br>');

//  document.write(imageLink(img1) );

}



function buttonOver(value) {

  var obj=event.srcElement;

  if (value != "") obj.value=value;

  obj.className="buttonOver";

}



function buttonOut(value) {

  var obj=event.srcElement;

  if (value != "") obj.value=value;

  obj.className="button";

}



function controlExpand() {

  var sub = event.srcElement.id;

  if (sub != '') {

    var subObj = document.all[(sub)];

    var subObjA = document.all[(sub + "a")];

    var subObjB = document.all[(sub + "b")];

    subObj.style.display = 'none';

    subObjA.style.display = '';

    subObjB.style.display = '';

  }

}



function controlCollapse() {

  var subA = event.srcElement.id;

  if (subA != '') {

    var sub = subA.substring(0,subA.length-1);

    var subObj = document.all[(sub)];

    var subObjA = document.all[(subA)];

    var subObjB = document.all[(sub + "b")];

    subObj.style.display = '';

    subObjA.style.display = 'none';

    subObjB.style.display = 'none';

  }

}



function showMap(x, y, scale, urle, urlc) {

  var locc = "http://www.centamap.com/scripts/centamap.asp?source=CENT&lg=";

  var locg = "http://www.centamap.com/scripts/centamaptogoogle.asp?";

  var loc = "x=" + x + "&y=" + y + "&z=";

  var str = "<html><body><ul>Please select:";

  if ((urle != null) && (urle != ""))

    str += "<li><a href=" + urle + ">Official Web Site</a></li>";

  if ((x > 800000) && (x < 900000) && (y > 800000) && (y < 900000))
 
    str += "<li><a href=" + locc + "EN&" + loc + scale + ">Centamap</a></li>";

  str += "<li><a href=" + locg + loc + scale + ">Google Map (There is a slightly different between the pointer and the destination)</a></li>";

  str += "</ul><ul>請選擇：";

  if ((urlc != null) && (urlc != ""))

    str += "<li><a href=" + urlc + ">官方網站</a></li>"

  else if ((urle != null) && (urle != ""))

    str += "<li><a href=" + urle + ">官方網站</a></li>";

  if ((x > 800000) && (x < 900000) && (y > 800000) && (y < 900000))
 
    str += "<li><a href=" + locc + "B5&" + loc + scale + ">中原地圖</a></li>";

  str += "<li><a href=" + locg + loc + scale + ">Google 衛星圖 (圖內指標與目的地會有偏差)</a></li>";

  str += "</ul></body></html>";

  w = window.open("", "", "");

  w.document.write(str);

  w.document.close();

}


// <iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.com/maps?f=d&amp;source=s_d&amp;saddr=22.288282,113.942106&amp;daddr=&amp;hl=en&amp;geocode=&amp;mra=dme&amp;mrcr=0&amp;mrsp=0&amp;sz=17&amp;sll=22.288362,113.942127&amp;sspn=0.004199,0.007628&amp;ie=UTF8&amp;t=h&amp;ll=22.288362,113.942127&amp;spn=0.004199,0.007628&amp;output=embed"></iframe>
// <a href="http://maps.google.com/maps?f=d&amp;source=embed&amp;saddr=22.288282,113.942106&amp;daddr=&amp;hl=en&amp;geocode=&amp;mra=dme&amp;mrcr=0&amp;mrsp=0&amp;sz=17&amp;sll=22.288362,113.942127&amp;sspn=0.004199,0.007628&amp;ie=UTF8&amp;t=h&amp;ll=22.288362,113.942127&amp;spn=0.004199,0.007628" style="color:#0000FF;text-align:left">View Larger Map</a>


function GetCookieVal (offset) {

  var endstr = document.cookie.indexOf (";", offset);

  if (endstr == -1)

    endstr = document.cookie.length;

    return unescape(document.cookie.substring(offset, endstr));

}



function GetCookie (name) {

  var arg = name + "=";

  var alen = arg.length;

  var clen = document.cookie.length;

  var i = 0;

  while (i < clen) {

    var j = i + alen;

    if (document.cookie.substring(i, j) == arg) return GetCookieVal (j);

    i = document.cookie.indexOf(" ", i) + 1;

    if (i == 0) break;

  }

  return null;

}



function SetCookie (name, value) {

//  var exp = new Date(); 

//  exp.setTime(exp.getTime() + (60*60*1000)); // 1 hour

  document.cookie = name + "=" + escape (value);  
// + "; expires=" + exp.toGMTString();

}



function setWebLang(webLang) {

  SetCookie("lang", webLang);

  var obj = document.getElementsByTagName("div");

  for (var i=0; i<obj.length; i++) {

    if (webLang == "en") {

      if (obj[i].lang == "en") obj[i].style.display = "";

      if (obj[i].lang == "zh") obj[i].style.display = "none";

      if (obj[i].lang == "hi") obj[i].style.display = "none";

    } else if (webLang == "zh") {

      if (obj[i].lang == "en") obj[i].style.display = "none";

      if (obj[i].lang == "zh") obj[i].style.display = "";

      if (obj[i].lang == "hi") obj[i].style.display = "none";

    } else {

      if (obj[i].lang == "en") obj[i].style.display = "";

      if (obj[i].lang == "zh") obj[i].style.display = "";

      if (obj[i].lang == "hi") obj[i].style.display = "";

    }

  }

  var obj = document.getElementsByTagName("span");

  for (var i=0; i<obj.length; i++) {

    if (webLang == "en") {

      if (obj[i].lang == "en") obj[i].style.display = "";

      if (obj[i].lang == "zh") obj[i].style.display = "none";

      if (obj[i].lang == "hi") obj[i].style.display = "none";

    } else if (webLang == "zh") {

      if (obj[i].lang == "en") obj[i].style.display = "none";

      if (obj[i].lang == "zh") obj[i].style.display = "";

      if (obj[i].lang == "hi") obj[i].style.display = "none";

    } else {

      if (obj[i].lang == "en") obj[i].style.display = "";

      if (obj[i].lang == "zh") obj[i].style.display = "";

      if (obj[i].lang == "hi") obj[i].style.display = "";

    }

  }

}



menubarPhoto = new Array(); 

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-19750912.jpg", "");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-1988.jpg", "");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-19910926.jpg", "history_1991-09-26.htm");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-19940721.jpg", "history_1994-07-21.htm");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20040410.jpg", "history_2004-04-10.htm");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20050220.jpg", "history_2005-02-20.htm");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20050514.jpg", "history_2005-05-14.htm");

menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20061123.jpg", "history_2006-11-23.htm");


menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20071018.jpg", "history_2007-10-18.htm");


menubarPhoto[menubarPhoto.length] = new Array("image_menubar-photo-20080321.jpg", "history_2008-03-21.htm");



function displayMenubarPhoto() {

  var random = Math.floor(Math.random() * menubarPhoto.length);

  if (menubarPhoto[random][1] != "")

    document.write('<a href="' + menubarPhoto[random][1] + '">');

  document.write('<img src="' + menubarPhoto[random][0] + '" border=0>');

  if (menubarPhoto[random][1] != "")

    document.write('</a>');

}