var link = null;
var alt = null;
var fol = null;
var subfol = null;
var lev_div = "";
var layer = "";
var lev_no = "";

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;

function gendh(){
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="20" width="100%"></td></tr><tr><td><a href="http://www.dh.gov.hk" target="_blank"><img src="' + lev_div + 'images/general/dh.gif" border="0" /></a></td></tr>');
	
}

function genshs(){
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="5" width="100%"></td></tr><tr><td><a href="http://www.studenthealth.gov.hk" target="_blank"><img src="' + lev_div + 'images/general/shs_logo.gif" border="0" /></a></td></tr>');
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="20" width="100%"></td></tr><tr><td align="center" ><a href="http://www.budget.gov.hk/2012/eng/speech.html" target="_blank"><img src="' + lev_div + 'images/general/fc.gif" border="0" alt="2012-13 Budget"/></a></td></tr>');
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="20" width="100%"></td></tr><tr><td align="center" ><a href="http://www.scheme6000.gov.hk/eng/index.html" target="_blank"><img src="' + lev_div + 'images/general/6k.jpg" border="0" alt="Scheme $6,000"/></a></td></tr>');
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="20" width="100%"></td></tr><tr><td align="center" ><a href="http://www.1823.gov.hk/eng/index.htm" target="_blank"><img src="' + lev_div + 'images/general/1823.jpg" border="0" alt="1823 Online"/></a></td></tr>');
	document.write('<tr><td><img src="' + lev_div + 'images/general/menu_15.gif" height="20" width="100%"></td></tr><tr><td align="center" ><a href="http://www.news.gov.hk/en/index.shtml" target="_blank"><img src="' + lev_div + 'images/general/newsgovhk.jpg" border="0" alt="news.gov.hk"/></a></td></tr>');
	
}

//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;
			}
		}
	}
}


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

if(lev_div == ""){
	lev_div = "english/";
}



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

	link[count] = l;
	alt[count] = a;

	num = count+1;
	if(num < 10){
		num = "0" + num;
	}

	if(link[count] != ""){
		layer[count] = alt[count];
		if(lay == "y"){
			document.write('<tr>'+
				'<td><a href="'+link[count]+'" onMouseOut="MM_swapImgRestore();MM_showHideLayers(\'Lay'+count+'\',\'\',\'hide\')" onMouseOver="MM_swapImage(\'menu'+num+'\',\'\',\''+lev_div+'images/general/menu_over_'+img+'.gif\',1);MM_showHideLayers(\'Lay'+count+'\',\'\',\'show\');setpost(\'menu'+num+'\',\'Lay'+count+'\')"><img name="menu'+num+'" border="0" src="'+lev_div+'images/general/menu_'+img+'.gif" alt="'+alt[count]+'"></a></td>'+
				'</tr>');
		}else{

			document.write('<tr>'+
				'<td><a href="'+link[count]+'" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'menu'+num+'\',\'\',\''+lev_div+'images/general/menu_over_'+img+'.gif\',1)"><img name="menu'+num+'" border="0" src="'+lev_div+'images/general/menu_'+img+'.gif" alt="'+alt[count]+'"></a></td>'+
				'</tr>');
		}

		layer[count] = alt[count];

	}
}


function bar(x){
	if(x < 10){
		num = "0" + x;
	}else{
		num = x;	
	}
	document.write('<tr>'+
				'<td><img border="0" src="'+lev_div+'images/general/menu_'+num+'.gif"></td>'+
				'</tr>');

}
		

function genlayerheader(lyno){

	document.write('<div id="Lay'+lyno+'" style="position:absolute; left:0px; top:0px; width:160px; height:15px; z-index:1; visibility: hidden">'+

	  '<table width="158" border="0" cellspacing="0" cellpadding="0" bgcolor="#FFFFFF">');

}



function genlayerfooter(){

	 document.write('</table>'+

	'</div>');

}



function genlaytab(lylink,lyalt,lyimg,lyno,lyparentno,lytarget){
			

	lynum = lyparentno+1;
	if(lynum < 10){
		lynum = "0" + lynum;
	}
	lyparentbtnno = lyparentno+1;
	if(lyparentbtnno < 10){
		lyparentbtnno = "0" + lyparentbtnno;
	}

	document.write('<tr>'+
      '<td><a href="'+lylink+'" onMouseOut="MM_swapImgRestore();MM_showHideLayers(\'Lay'+lyparentno+'\',\'\',\'hide\')" onMouseOver="MM_swapImage(\''+lyimg+lyno+'\',\'\',\''+lev_div+'images/general/'+lyimg+'_over_'+lyno+'.gif\',1);MM_showHideLayers(\'Lay'+lyparentno+'\',\'\',\'show\')"><img name="'+lyimg+lyno+'" border="0" src="'+lev_div+'images/general/'+lyimg+'_'+lyno+'.gif" alt="'+lyalt+'"></a></td>'+
    '</tr>');

}



/*function genbanner(){
	
	document.write('<table width="100%" border="0" cellspacing="0" cellpadding="3">'+
                          '<tr> '+
                            '<td><a href="http://www.cervicalscreening.gov.hk/" target="_blank"><img src="../'+lev_div+'images/banner/banner02.jpg" alt="Cervical Screening" border="0"></a></td>'+
                          '</tr>'+
                          '<tr> '+
                           ' <td><a href="http://www.chp.gov.hk/" target="_blank"><img src="../'+lev_div+'images/banner/banner03.jpg" alt="Contre for Health Protection" border="0"></a></td>'+
                          '</tr>'+
                          '<tr> '+
                            '<td><a href="http://www.cheu.gov.hk/" target="_blank"><img src="../'+lev_div+'images/banner/frt_banner_cheu.gif" alt="CENTRAL HEALTH EDUCATION UNIT" border="0"></a></td>'+
                          '</tr>'+
                        '</table>');

	}


*/
//show layer

function genflash(){
	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="607" height="100">'+
                        '<param name=movie value="'+lev_div+'images/general/hd.swf?hd='+(fol+1)+'">'+
                          '<param name=quality value=high>'+
						 ' <param name="wmode" value="transparent">'+
                          '<param name="menu" value="false">'+
                          '<embed src="'+lev_div+'images/general/hd.swf?hd='+(fol+1)+'" wmode="transparent" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="607" height="100" menu="false">'+
                          '</embed>'+ 
                        '</object>');

}

function genhead(){
		document.write('<img src="'+lev_div+'images/'+level_1[fol]+'/hd_'+level_1[fol]+'.gif" alt="'+alt[fol]+'">');
}



function setpost(img, layerid){

	tmp_img = getImage(img);	

	tmp_y = getImagePageTop(tmp_img);

	tmp_x = getImagePageLeft(tmp_img);



//alert(layerid);

	if(isMinIE4){

		obj = eval(layerid);

		obj.style.posLeft = tmp_x + 152;

		obj.style.posTop = tmp_y;		

	}else{

		document.getElementById(layerid).style.left = tmp_x + 152;

		document.getElementById(layerid).style.top = tmp_y;

	}	

}



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 getImagePageLeft(img) {



  var x, obj;



  if (isMinNS4) {

    if (img.container != null)

      return img.container.pageX + img.x;

    else

      return img.x;

  }

  if (isMinIE4) {

    x = 0;

    obj = img;

    while (obj.offsetParent != null) {

      x += obj.offsetLeft;

      obj = obj.offsetParent;

    }

    x += obj.offsetLeft;

    return x;

  }

  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) {

		MM_showHideLayers('ql','', 'hide');

		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');

		}

	}

	if(layername != 'ql'){

		MM_showHideLayers('ql','', 'hide');

	}

	

}



function menu_over() {

	mouseout_menuarticle = false ;

	clearTimeout(menutimeoutID);

}



