function gotoPage(form)
{
	var str = form.title.options[form.title.selectedIndex].value;
	if (str != "")
		location.href = str;
}

function switchLang(lang)
{
	var url;
	url=escape(window.location.pathname);
	if (lang == "zh")
	{
		url = url.replace(/\/en\//g, "/zh/");
		url = url.replace(/\/gb\//g, "/zh/");
	}
	else if (lang == "en")
	{
		url=url.replace("/zh/","/en/");
		url=url.replace("/gb/","/en/");
	}
	else if (lang == "gb")
	{
		url=url.replace("/zh/","/gb/");	
		url=url.replace("/en/","/gb/");
	}

	window.location=url;
}

function popwin(url)
{
	var tjp_pop = window.open(url,'tjp_pop',"directories=0,location=0,menubar=0,resizable=0,scrollbars=yes,status=0,titlebar=0,toolbar=0,width=640,height=520");
	tjp_pop.focus();
}

// Control images rollover effect
function MM_swapImgRestore()
{ 
    //v2.0
    if (document.MM_swapImgData != null)
    {
        for (var i=0; i<(document.MM_swapImgData.length-1); i+=2)
        {
            document.MM_swapImgData[i].src = document.MM_swapImgData[i+1];
        }
    }
}

function MM_swapImage() 
{ 
    //v2.0
    var i, j=0, objStr, obj, swapArray=new Array, oldArray=document.MM_swapImgData;
    for (i=0; i < (MM_swapImage.arguments.length-2); i+=3)
    {
        objStr = MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
        if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
            (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
        {
            objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
        }
        obj = eval(objStr);
        if (obj != null) 
        {
            swapArray[j++] = obj;
            swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
            obj.src = MM_swapImage.arguments[i+2];
        } 
    }
    document.MM_swapImgData = swapArray; 
}

// START: banner rotation script
var image="";
var banners=0;
function cycle() {
  if (++banners > 3) banners=1;
    loadbanners();
    document.mainbanner.src = image;
    window.setTimeout('cycle();',10000);
  }
function loadbanners() {
   if (banners==1)
      {
      image="images/banners/main9.gif";
      }
   if (banners==2)
      {
      image="images/banners/main8.gif";
      }
   if (banners==3)
      {
      image="images/banners/main2.gif";
      }
}

var link = "activities/index.html"
function urlswitch() {
if (banners==1)
{
link = "activities/index.html";
}
if (banners==2)
{
link = "activities/index.html";
}
return link;
}
// END: banner rotation script