var THISHOSTNAME = "www.housingauthority.gov.hk";
var toEN = '/hdw/en/aboutus/policy/cdrp06/';
var toB5 = '/hdw/b5/aboutus/policy/cdrp06/';
var toGB = '/hdw/gb/aboutus/policy/cdrp06/';

function switchLanguage(lang)
{
	var host1 = "ht";
	var host2 = "tp://";
	var host3 = "ww";
	var host4 = "w.housingauthority";
	var host5 = ".gov.hk";

	var url=location.href;
	var url_array=url.split("/");

	if (lang != "toGB")
	{
		document.location.href = host1 + host2 + host3 + host4 + host5 + eval(lang) + url_array[url_array.length-1];
	}
	else
	{
		var targetURL = "http://sc.housingauthority.gov.hk/gb/" + THISHOSTNAME + eval("toB5") + url_array[url_array.length-1];
		SetCookie('scURL', targetURL);
		document.location.href = '/scDisclaimer';
	}
}

function SetCookie (name, value)
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : "/";
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + "housingauthority.gov.hk")) +
		((secure == true) ? "; secure" : "");
}

////////////////////////////////////////////////////////
// standard functions for preloading and swapping images
////////////////////////////////////////////////////////

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_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_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_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_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; }
}