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;


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

if(lev_div == ""){	
	if(level_1[0] == "eindex.html"){
		lev_div = "english/";
	}else if(level_1[0] == "cindex.html"){
		lev_div = "tc_chi/";
	}else if(level_1[0] == "scindex.html"){
		lev_div = "sc_chi/";
	}else{
		lev_div = "tc_chi/";
	}
}

setpath();

function genheader(){
	if(path.indexOf(level_1[fol]) != -1){			
		document.write('<img src=\"'+lev_div+'images/'+level_1[fol]+'/hd_'+level_1[fol]+'.jpg" alt="'+alt[fol]+'">');	
	}
}

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(\'side'+num+'\',\'\',\''+lev_div+'images/general/side_over_'+img+'.gif\',1);MM_showHideLayers(\'Lay'+count+'\',\'\',\'show\');setpost(\'side'+num+'\',\'Lay'+count+'\')"><img name="side'+num+'" border="0" src="'+lev_div+'images/general/side_'+img+'.gif" alt="'+alt[count]+'"></a></td>'+
				'</tr>');
		}else{
			document.write('<tr>'+
				'<td><a href="'+link[count]+'" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'side'+num+'\',\'\',\''+lev_div+'images/general/side_over_'+img+'.gif\',1)"><img name="side'+num+'" border="0" src="'+lev_div+'images/general/side_'+img+'.gif" alt="'+alt[count]+'"></a></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(\'side'+lynum+'\',\'\',\''+lev_div+'images/general/side_over_'+lyparentbtnno+'.gif\',\''+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>');
}


//show layer

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 + 145;
		obj.style.posTop = tmp_y;		
	}else{
		document.getElementById(layerid).style.left = tmp_x + 145;
		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) {	
		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);
}