var link = null;
var alt = null;
var sublink = null;
var subalt = null;
var fol = null;
var subfol = null;
var lev_div = "";
var layer = "";

var isV5 = false;
var isIE = false;
var navmenuout = true
var navmenutimeoutID = 1
var mouseout_menuarticle = true
var menutimeoutID = 1
var pollanswer = false

var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
                parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
var isMinIE4 = (document.all) ? 1 : 0;
var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.") >= 0) ? 1 : 0;


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

function MM_showHideLayers() {
if(parseInt(navigator.appVersion) == 5){
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  if(document.getElementById){
   for (i=0; i<(args.length-2); i+=3){
   obj=document.getElementById(args[i]);v=args[i+2];
v=(v=='show')?'visible':(v='hide')?'hidden':v;
   if(obj)obj.style.visibility=v;
   }
  }
  else{
  for (i=0; i<(args.length-2); i+=3) if ((obj=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; }
 }
 }
else{
  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_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_swapImage() { //v3.0C
  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() { //v3.0C
  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) { //v3.0
  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); return x;
}

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

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

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);
//end


var path = window.location.pathname;

if(path.indexOf('\\') != -1){
	div = "\\";
}else{
	div = "/";	
}

lev = path.split(div);

for(i=0; i<level.length; i++){	
	
	if(path.indexOf(div + level[i]) != -1){		
		fol = i;
		
		for (j=0; j<lev.length; j++){
			if(lev[j] == level[i]){
				lev_no = j;				
				break;
			}
		}
	}
}
if(document.location.href.toString().search("search.info.gov.hk")!=-1)
{
	lev_no = 1;
}

if ( typeof(lev_no) != "undefined")
{
	for (i=0 ;i<(lev.length - lev_no)-1 ;i++){		
		lev_div += "../";
	}
}


if(lev_div == ""){	
	if(level[0] == "eindex.html"){
		lev_div = "english/";		
	}else if(level[0] == "cindex.html"){
		lev_div = "tc_chi/";
	}else if(level[0] == "scindex.html"){
		lev_div = "sc_chi/";
	}
}

var lev_div2 = '';

if(document.location.href.search('sc.info.gov.hk/gb/search.info.gov.hk/')!=-1)
{
	lev_div = "http://www.afcd.gov.hk/tc_chi/";	
	lev_div2 = "http:/"+"/ww"+"w.afcd.gov.hk/tc_chi/";
}else if(document.location.href.search('search.info.gov.hk/')!=-1)
{
	lev_div = "http://www.afcd.gov.hk/tc_chi/";	
	lev_div2 = "http:/"+"/ww"+"w.afcd.gov.hk/tc_chi/";
}
else
	lev_div2 = lev_div;

function bar1(){
	document.write('<tr valign="top">'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="2" height="3"></td>'+
                  '<td align="right" background="'+lev_div+'images/general/side_div_01.gif"><img src="'+lev_div2+'images/general/side_div_02.gif"></td>'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="8" height="3"></td>'+
                '</tr>');
}

function bar2(){
	document.write('<tr valign="top">'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="2" height="1"></td>'+
                  '<td align="right" background="'+lev_div2+'images/general/side_subdiv.gif"><img src="'+lev_div2+'images/general/side_subdiv.gif"></td>'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="8" height="1"></td>'+
                '</tr>');
}



function gentable(l, a, tar, lay){
	if (link == null) { 
		link = new Array();
		count = 0;
	} else { 
		count = link.length;
	}
	
	if (alt == null) {
		alt = new Array(); 
	}
	
	link[count] = l;
	alt[count] = a;	

	document.write('<tr valign="top">'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="2" height="2"></td>'+
                  '<td onMouseOver="bgColor=\'#EEFFF0\'" onMouseOut="bgColor=\'#FFFFFF\'">'+
                    '<table width="100%" border="0" cellspacing="0" cellpadding="0">'+
                      '<tr valign="top"> '+
                        '<td><img src="'+lev_div2+'images/general/side_arrow.gif" alt="&gt;" hspace="4"></td>'+
                        '<td width="100%" class="side"><a href="'+link[count]+'" class="sidelink" target="'+tar+'">'+alt[count]+'</a></td>'+
                      '</tr>'+
                    '</table>'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="8" height="8"></td>'+
                '</tr>');
	bar1();

	if(fol > 14){
		if(link[count].indexOf(lev[j+1]) != -1){			
				if(lay == "y"){
					ly = a;
					gensubmenu();
				}
		}
	}else{
		if(link[count].indexOf(level[fol]) != -1){
				if(lay == "y"){	
					ly = a;
					gensubmenu();
				}
		}
	
	}
}


function gensubtable(subl, suba, subtarget, sublayer){

	if (sublink == null) { 
		sublink = new Array(); 
		layer = new Array();
		subcount = 0;
	} else { 
		subcount = sublink.length;
	}
	
	if (subalt == null) {
		subalt = new Array(); 
	}

	sublink[subcount] = subl;	
	subalt[subcount] = suba;
	layer[subcount] = suba;
	
	num = subcount+1;
	if(num < 10){
		num = "0" + num;
	}

	document.write('<tr valign="top">'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="2" height="2" alt=" "></td>'+
                  '<td onMouseOver="bgColor=\'#E9FEC4\'" onMouseOut="bgColor=\'#EEF5EF\'" bgcolor="#EEF5EF"> '+
                    '<table width="100%" border="0" cellspacing="0" cellpadding="0">'+
                      '<tr valign="top"> '+
                        '<td><img src="'+lev_div2+'images/general/spacer.gif" width="11" height="12" hspace="4" alt=" " name="subside'+num+'" hspace="4"></td>');
	if(sublayer == "y"){		
		document.write('<td width="100%" class="side" onMouseOut="navmenu_out()" onMouseOver="setpost(\'subside'+num+'\',\'Lay'+subcount+'\');MM_showHideLayers(\'Lay'+subcount+'\',\'\',\'show\');navmenu_over();hideother(\'l'+subcount+'\')"><a href="'+sublink[subcount]+'" class="sidelink" target="'+subtarget+'">'+subalt[subcount]+'</a></td>');
	
	}else{					
		document.write('<td width="100%" class="side"><a href="'+sublink[subcount]+'" onMouseOver="hideother(\'l'+subcount+'\')" class="sidelink" target="'+subtarget+'">'+subalt[subcount]+'</a></td>');
	}

    document.write('</tr>'+
                    '</table>'+
                  '<td><img src="'+lev_div2+'images/general/spacer.gif" width="8" height="8"></td>'+
                '</tr>');

	bar2();
}



function genlayerheader(lyno){
	document.write('<div id="Lay'+lyno+'" style="position:absolute; left:171px; top:165px; width:92px; height:13px; z-index:1; visibility: hidden">'+
	  '<table width="180" border="0" cellspacing="1" cellpadding="0" bgcolor="#004c22">');
}

function genlayerfooter(){
	 document.write('</table>'+
	'</div>');
}

function genlaytab(lylink,lyalt,lytarget){

	document.write('<tr>'+
    '  <td class="layer_txt" onMouseOver="bgColor=\'#E1FFAE\'" onMouseOut="bgColor=\'#D9ECD0\'" bgcolor="#D9ECD0"><a href="'+lylink+'" target="'+lytarget+'" class="layerlink" onMouseOver="navmenu_over()" onMouseOut="navmenu_out()">'+lyalt+'</a></td>'+
    '</tr>');
}

//show layer

function setpost(img, layerid){
	tmp_img = getImage(img);	
	tmp_y = getImagePageTop(tmp_img);

//alert(layerid);
	if(isMinIE4){
		obj = eval(layerid);
		obj.style.posTop = tmp_y-1;
	}else{
		document.getElementById(layerid).style.top = tmp_y-1;
	}	
}


function getImage(name) {

  if (isMinNS4) {
    return findImage(name, document);
  }
  if (isMinIE4)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {

  var i, img;

  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageTop(img) {

  var y, obj;

  if (isMinNS4) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (isMinIE4) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}

function navmenu_over() {
	navmenuout = false ;
	clearTimeout(navmenutimeoutID);
}

function navmenu_out() {
	navmenuout = true ;
	navmenutimeoutID = setTimeout("autohide_menu()","1000");
}

function autohide_menu() {
	if (navmenuout == true) {
		for(q=0;q<layer.length;q++){			
			MM_showHideLayers('Lay'+q,'','hide');
		}		
	}
}

function hideother(layername) {
	for(q=0;q<layer.length;q++){		
		if (layername != 'l'+q){
			MM_showHideLayers('Lay'+q,'','hide');
		}	
	}
}

function menu_over() {
	mouseout_menuarticle = false ;
	clearTimeout(menutimeoutID);
}