function goEnglish() {
	if (window.location.href.indexOf("gb") > 0) //it is gb version now
	{
		s = window.location.href;
		s = s.replace(s, 'ht'+'tp://www.cuhk.edu.hk/itsc');
		window.location = s;
	}
	else //it is b5 version now
	{
		s = 'http://www.cuhk.edu.hk/itsc';
		window.location = s;
	}
}

function goChinese() {
	if (window.location.href.indexOf("gb") > 0) //it is gb version now, so to b5
	{
//		s = window.location.href;
//		re = 'http://translate.itsc.cuhk.edu.hk/gb/';
//		s = s.replace(re, 'ht'+'tp://');
//		window.location = s;
		s = window.location.href;
		s = s.replace(s, 'ht'+'tp://www.cuhk.edu.hk/itsc/chinese');
		window.location = s;

	}
	else //it is b5 version nowm, so go to gb
	{
		s = window.location.href;
		s = s.replace(s, 'ht'+'tp://www.cuhk.edu.hk/itsc/chinese');
		re = 'http://';
		s = s.replace(re, 'http://translate.itsc.cuhk.edu.hk/gb/');
		window.location = s;
	}
}

function goChiT() {
	window.location = 'http://www.cuhk.edu.hk/itsc/chinese';
}
function goChiS() {
	window.location = 'http://translate.itsc.cuhk.edu.hk/gb/www.cuhk.edu.hk/itsc/chinese';
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function deptsearch() {
        
        final_query = "";
        document.mfrm.q1.value = unescape(document.mfrm.q1.value);
        final_query = unescape(document.mfrm.q1.value);         

	final_query += " +url:http://www.cuhk.edu.hk/itsc/";
        
	document.mfrm.q.value = unescape(final_query);      
        document.mfrm.submit();    
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'inline':(v=='hide')?'none':v; }
    obj.display=v;
	obj.visibility='visible';}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function resizeFrame(ifmename) {
  var f = document.getElementById(ifmename);
  f.style.height = f.contentWindow.document.body.scrollHeight + "px";
}
function MM_preloadImagesresizeFrame(filea, fileb, ifmename) {
  MM_preloadImages(filea, fileb);
  resizeFrame(ifmename);
}