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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

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 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 MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  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')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function switchLang(currLang, tarLang){

	var currPath = document.URL.toString();
	var lang = window.location.hostname;
	
	var head, toPath;
	toPath = "";
	
	
	if (currLang==0)
	{		
		if (tarLang==1)
		{
			currPath = currPath.replace("/eng/", "/text/eng/");
			toPath = currPath;
			location = toPath;
		}
		else if (tarLang==2)
		{
			currPath = currPath.replace("/chi/", "/text/chi/");
			//alert("Text Only Version is not available at the moment.");
			toPath = currPath;
			location = toPath;
		}
		else if (tarLang==3)
		{
			currPath = currPath.replace("/chs/", "/text/chs/");
			//if (document.URL.toString().indexOf('westcomzivo')!=-1){ 
				//currPath = currPath.replace("common.westcomzivo.com/gb/", "");
			//}
			//else
			//{
				//currPath = currPath.replace("sc.info.gov.hk/gb/", "");
			//}
			//alert("Text Only Version is not available at the moment.");
			toPath = currPath;
			location = toPath;
		}
	}
	else if (currLang==1)
	{		
		if (tarLang==2)
		{
			currPath = currPath.replace("/eng/", "/chi/");
			//alert("Traditional Chinese Version is not available at the moment.");
			toPath = currPath;
			location = toPath;
		}
		else if (tarLang==3)
		{
			currPath = currPath.replace("/eng/", "/chs/");
			/*if (document.URL.toString().indexOf('westcomzivo')!=-1){ 
				currPath = currPath.replace(lang, "common.westcomzivo.com/gb/" + lang);
			}
			else
			{
				currPath = currPath.replace(lang, "sc.info.gov.hk/gb/" + lang);
			}*/
			//alert("Simplified Chinese Version is not available at the moment.");
			toPath = currPath;
			location = toPath;
		}
	}
	else if (currLang==2)
	{		
		if (tarLang==1)
		{
			currPath = currPath.replace("/chi/", "/eng/");
			toPath = currPath;
			location = toPath;
		}
		else if (tarLang==3)
		{
			/*if (document.URL.toString().indexOf('westcomzivo')!=-1){ 
				currPath = currPath.replace(lang, "common.westcomzivo.com/gb/" + lang);
			}
			else
			{
				currPath = currPath.replace(lang, "sc.info.gov.hk/gb/" + lang);
			}*/
			currPath = currPath.replace("/chi/", "/chs/");
			toPath = currPath;
			location = toPath;			
		}
	}
	else if (currLang==3)
	{
		if (tarLang==1)
		{
			currPath = currPath.replace("/chs/", "/eng/");
			/*if(document.URL.toString().search('sc.info.gov.hk/gb/') == -1){ 
				currPath = currPath.replace("common.westcomzivo.com/gb/","");
			}
			else
			{
				currPath = currPath.replace("sc.info.gov.hk/gb/","");
			}*/	
			toPath = currPath;
			location = toPath;
		}
		else if (tarLang==2)
		{
			currPath = currPath.replace("/chs/", "/chi/");
			/*if (document.URL.toString().indexOf('westcomzivo')!=-1){ 
				currPath = currPath.replace("common.westcomzivo.com/gb/","");
			}
			else
			{
				currPath = currPath.replace("sc.info.gov.hk/gb/","");
			}*/	
			toPath = currPath;
			location = toPath;
		}
	}
	
	//location = toPath;
}

function PopWin(url, w, h){
    eval("popup0 = window.open(url,'popup','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,pageXOffset=300,pageYOffset=500,top=0,left=0,width=" + w + ",height=" + h + "')");
        if ( popup0.focus != null){
        popup0.focus();
    }
   // return true;
}