var link = null;

var tbalt = null;

var fol = null;

var subfol = null;

var lev_div = "";

var layer = "";



var qllink =null;

var qlalt =null;



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;

}

//end





var path = window.location.pathname;



if(path.indexOf('\\') != -1){

	div = "\\";

}else{

	div = "/";	

}



lev = path.split(div);



for(i=0; i<level_1.length; i++){	

	if(path.indexOf(div + level_1[i]) != -1){		

		fol = i;		

		for (j=0; j<lev.length; j++){

			if(lev[j] == level_1[i]){

				lev_no = j;

				break;

			}

		}

	}

}

if(typeof(lev_no)=='undefined' )
{
	lev_no = 0;
	lev_div = '';
	fol = 0;
}else
{

for (i=0 ;i<(lev.length - lev_no)-1 ;i++){		

		lev_div += "../";

	}
}


if(lev_div == ""){

	lev_div = "tc_chi/";	

}

if ( document.location.href.toString().search('search.info.gov.hk/cgi-bin/se.cgi') != -1 )
{
	lev_div = "http://www.travelhealth.gov.hk/textonly/tc_chi/";
}


function gentable(l, a, img, tar, lay){

	if (link == null) { 

		link = new Array(); 

		layer = new Array();

		count = 0;

	} else { 

		count = link.length;

	}

	

	if (tbalt == null) {

		tbalt = new Array(); 

	}

	

	link[count] = l;	

	tbalt[count] = a;



	num = count+1;

	if(num < 10){
		num = "0" + num;
	}



	for(a=0; a<level_1.length; a++){

		if(link[count].indexOf(level_1[fol]) != -1){

			layer[count] = tbalt[count];

		}	

	}

	



	if(link[count] != ""){

		document.write('[<a href="'+link[count]+'" target="'+tar+'">'+tbalt[count]+'</a>] ');

	}

		

}



function genlayerheader(lyno){

	document.write('<p>');

}



function genlayerfooter(){

	 document.write('</p><hr>');

}



function genlaytab(lylink,lyalt,lyorgcol,lyovercol, lytarget){



	document.write('[<a href="'+lylink+'" target="'+lytarget+'">'+lyalt+'</a>] ');

}