var path = window.location.pathname;
var lev_no = -1
var lev_div = "";
var tar_level = 0;
var lay_lev = 1;
var layer_no = 1;
var data_lev1 = new Array();
var data_lev2 = new Array();
var data_lev3 = new Array();

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

//base function

var isNS4 = (document.layers) ? true : 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 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_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//end


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

lev = path.split(div);

for(i=0; i<level.length; i++){
	if(path.indexOf(div + level[i] + div) != -1){		
		fol = i;		
		for (j=0; j<lev.length; j++){
			if(lev[j] == level[i]){
				lev_no = j;
				break;
			}
		}
	}
}

if (path.search("/cgi-bin/search.pl")!=-1)
{
	lev_div = "/tc_chi/";
}else
{


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


menu();

function add_data(data_link, data_alt, data_color, data_target, data_layer, data_level, data_folder){
	if (data_level == 1){		
		data_lev1[tar_level] = {link:data_link, alt:data_alt, color:data_color, target:data_target, layer:data_layer, folder:data_folder};
		data_lev2[tar_level] = new Array();
		data_lev3[tar_level] = new Array();
		tar_level++;
		tar_level2 = 0;
	}else if(data_level == 2){
		data_lev2[(tar_level-1)][tar_level2] = {link:data_link, alt:data_alt, color:data_color, target:data_target, layer:data_layer, folder:data_folder};
		data_lev3[(tar_level-1)][tar_level2] = new Array();
		tar_level2++;
		tar_level3 = 0;
	}else if(data_level == 3){
		data_lev3[(tar_level-1)][(tar_level2-1)][tar_level3] = {link:data_link, alt:data_alt, color:data_color, target:data_target, layer:data_layer, folder:data_folder};
		tar_level3++;
	}	
}


function genhd(){
	for(i=0; i<data_lev1.length;i++){		
		if(level[fol] == data_lev1[i]['folder']){
			document.write('<img src="'+lev_div+'images/'+level[fol]+'/header.jpg" alt="'+data_lev1[i]['alt']+'">');
			break;
		}
	}
}

function gensubhd(){
	for(i=0; i<data_lev1.length;i++){		
		if(level[fol] == data_lev1[i]['folder']){
			document.write('<img src="'+lev_div+'images/'+level[fol]+'/subheader.jpg" alt="img">');
			break;
		}
	}
}

function MouseOutMenu(Item) {
	if (isV5) {
		var MenuItem = document.getElementById(Item);
		MenuItem.setAttribute("style", "border-width:1px;border-style:solid;border-color:#D3D4D4;");
	}
	eval(Item + ".style.borderColor = '#D3D4D4';");	
}
function MouseOverMenu(Item) {
	if (isV5) {
		var MenuItem = document.getElementById(Item);
		MenuItem.setAttribute("style", "border-width:1px;border-style:solid;border-color:#FFBC2D;");
	}
	eval(Item + ".style.borderColor = '#FFBC2D';");
}



function genmenu(){	
	for(i=0; i<data_lev1.length;i++){		
		if(level[fol] == data_lev1[i]['folder']){
			for(j=0;j<data_lev2[i].length;j++){
				genlv1table(data_lev2[i][j]['link'],data_lev2[i][j]['alt'],data_lev2[i][j]['color'],data_lev2[i][j]['target'],data_lev2[i][j]['layer'],j,layer_no);
				bar();
				if(data_lev2[i][j]['layer'] == "y"){
					layer_no++;
				}				
			}
			break;
		}
	}
}

function genlayer(){
	layer_no = "1";
	for(i=0; i<data_lev1.length;i++){
		if(level[fol] == data_lev1[i]['folder']){
			if(data_lev1[i]['layer'] == "y"){
				for(j=0;j<data_lev2[i].length;j++){
					if(data_lev2[i][j]['layer'] == "y"){
						genlayerhd(layer_no);
						for(k=0;k<data_lev3[i][j].length;k++){					
							genlaytab(data_lev3[i][j][k]['link'],data_lev3[i][j][k]['alt'],data_lev3[i][j][k]['color'],data_lev3[i][j][k]['target']);
						}
						genlayerft();
						layer_no++;
					}
				}			
			}
		break;
		}
	}
}


// gen table

function genlv1table(link, alt, color, target, layer, no, layerno){
	if(layer == "y"){
		 document.write('<tr>'+
                      '<td background="'+lev_div+'images/general/side_bg_02.gif" align="center" width="196"> '+
                        '<table width="90%" border="0" cellspacing="0" cellpadding="0">'+
                          '<tr> '+
                            '<td bgcolor="#E8E8E8" class="btn_txt" style="border-width:1px;border-style:solid;border-color:#D3D4D4;" id="menu_ID'+no+'" onMouseOver="bgColor=\''+color+'\'" onMouseOut="bgColor=\'#E8E8E8\'">'+
                              '<table width="100%" border="0" cellspacing="0" cellpadding="0">'+
                                '<tr> '+
                                  '<td width="8"><img src="'+lev_div+'images/general/arr.gif" align="absmiddle" border="0" name="side'+no+'"></td>'+
                                  '<td class="btn_txt"><a href="'+link+'" class="btn_link" onMouseOut="MM_swapImgRestore();MouseOutMenu(\'menu_ID'+no+'\');navmenu_out()" onMouseOver="MM_swapImage(\'side'+no+'\',\'\',\''+lev_div+'images/general/arr_over.gif\',1);MouseOverMenu(\'menu_ID'+no+'\');setpost(\'side'+no+'\',\'Lay'+layerno+'\');MM_showHideLayers(\'Lay'+layerno+'\',\'\',\'show\');navmenu_over();hideother(\'l'+layerno+'\')" target="'+target+'">'+alt+'</a></td>'+
                                '</tr>'+
                              '</table>'+
                            '</td>'+
                          '</tr>'+
                        '</table>'+
                      '</td>'+
                    '</tr>');
	}else{
		document.write('<tr>'+
                      '<td background="'+lev_div+'images/general/side_bg_02.gif" align="center" width="196"> '+
                        '<table width="90%" border="0" cellspacing="0" cellpadding="0">'+
                          '<tr> '+
                            '<td bgcolor="#E8E8E8" class="btn_txt" style="border-width:1px;border-style:solid;border-color:#D3D4D4;" id="menu_ID'+no+'" onMouseOver="bgColor=\''+color+'\'" onMouseOut="bgColor=\'#E8E8E8\'">'+
                              '<table width="100%" border="0" cellspacing="0" cellpadding="0">'+
                                '<tr> '+
                                  '<td width="8"><img src="'+lev_div+'images/general/arr.gif" align="absmiddle" border="0" name="side'+no+'"></td>'+
                                  '<td class="btn_txt"><a href="'+link+'" class="btn_link" onMouseOut="MM_swapImgRestore();MouseOutMenu(\'menu_ID'+no+'\')" onMouseOver="MM_swapImage(\'side'+no+'\',\'\',\''+lev_div+'images/general/arr_over.gif\',1);MouseOverMenu(\'menu_ID'+no+'\');hideother(\'non\')" target="'+target+'">'+alt+'</a></td>'+
                                '</tr>'+
                              '</table>'+
                            '</td>'+
                          '</tr>'+
                        '</table>'+
                      '</td>'+
                    '</tr>');
	}
}

function bar(){
	document.write('<tr> '+
                      '<td background="../images/general/side_bg_02.gif" height="5" width="196"></td>'+
                    '</tr>');

}

function genlayerhd(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="160" border="0" cellspacing="1" cellpadding="0" bgcolor="#E8E8E8">');
}

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

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

	document.write(' <tr> '+		
		'<td class="layer_txt" onMouseOver="bgColor=\''+lyovercol+'\'" onMouseOut="bgColor=\'#D3D4D4\'" bgcolor="#D3D4D4">'+
		'<a href="'+lylink+'" target="'+lytarget+'" class="layerlink" onMouseOver="navmenu_over()" onMouseOut="navmenu_out()">'+lyalt+'</a>'+	
		'</td>'+
		'</tr>');
}


//show layer
function showHide(s){
	if(!isNS4){
		if(document.getElementById(s).style.display=="block"){
			  document.getElementById(s).style.display="none";			  		  
		 }else{
			  document.getElementById(s).style.display="block"; 
		}
		
		var tmp_itemName="x";	
		s=s.replace("item_","");		
		for(i=1;i<=lay_lev-1;i++){
			
			 if(i!=s){ 
			  document.getElementById(tmp_itemName.replace("x","item_"+i)).style.display="none";
			 }
		}
	}
}

function hidelayer(){	
	var tmp_itemName="x";
	for(i=1;i<=lay_lev-1;i++){
		document.getElementById(tmp_itemName.replace("x","item_"+i)).style.display="none";
	}
}



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 + 175;
		obj.style.posTop = tmp_y -8;		
	}else{
		document.getElementById(layerid).style.left = tmp_x + 175;
		document.getElementById(layerid).style.top = tmp_y -8;
	}	

}



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_no;q++){	
			MM_showHideLayers('Lay'+q,'','hide');
		}		
	}
}

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


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


function chglang(lang){
	if(lang == "en"){
		tempPath = path.replace(div + "tc_chi" + div, div + "english" + div);
		tempPath = tempPath.replace(div + "sc_chi" + div, div + "english" + div);		

        if (tempPath.search("/cgi-bin/search.pl") != -1 )
        {
                tempPath = tempPath.replace("/cgi-bin/search.pl","/english/search/search.html");
        }
	
	}else if(lang == "tc"){
		tempPath = path.replace(div + "english" + div, div + "tc_chi" + div);
		tempPath = tempPath.replace(div + "sc_chi" + div, div + "tc_chi" + div);

        if (tempPath.search("/cgi-bin/search.pl") != -1 )
        {
                tempPath = tempPath.replace("/cgi-bin/search.pl","/tc_chi/search/search.html");
        }
	
	}else if(lang == "sc"){
		tempPath = path.replace(div + "english" + div, div + "sc_chi" + div);
		tempPath = tempPath.replace(div + "tc_chi" + div, div + "sc_chi" + div);
	

	if (tempPath.search("/cgi-bin/search.pl") != -1 )
	{
		tempPath = tempPath.replace("/cgi-bin/search.pl","/sc_chi/search/search.html");
	}
}
	window.location.href = tempPath;
}