function FontNormal() {
document.getElementById('stylesheet').href = '/site/css/styles_cn.css';
}

function FontLarge() {
document.getElementById('stylesheet').href = '/site/css/styles_cl.css';
}

function FontLarger() {
document.getElementById('stylesheet').href = '/site/css/styles_cx.css';
}


function open_popwin( url )
{
	popwin = window.open( url, 'popwin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=500' );
	popwin.focus();
}

//####### START: Display Date #############################################################
function measure(n) {
	this.length=n;
	for (var i=1;i<=n;i++) {
		this[i]=0 }
	return this
}
month=new measure(12);
month[1]="January"
month[2]="February"
month[3]="March"
month[4]="April"
month[5]="May"
month[6]="June"
month[7]="July"
month[8]="August"
month[9]="September"
month[10]="October"
month[11]="November"
month[12]="December"

day=new measure(7);
day[1]="Sunday"
day[2]="Monday"
day[3]="Tuesday"
day[4]="Wednesday"
day[5]="Thursday"
day[6]="Friday"
day[7]="Saturday"

function writeweekdate() {
		 display=new Date();
		 document.write(day[display.getDay()+1]+", "+month[display.getMonth()+1]+" "+display.getDate()+", "+display.getFullYear());
}
function writedate() {
		 display=new Date();
		 document.write(month[display.getMonth()+1]+" "+display.getDate()+", "+display.getFullYear());
}

//####### END: Display Date #############################################################


//####### START: Show PopNav Layer ########################################################
// <script>
// Copyright (C) 2005 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/

function GetPopNavPosition(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child );

  var top  = (c["at_position"] == "y") ? p.offsetHeight : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth : 0;
  
  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }
  //align the new layer to the top left corner
  p = document.getElementById(parent)
  top = top - p.offsetHeight;
  
  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}

// ----- Show -----

function ShowPopNav()
{
  
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  GetPopNavPosition(p.id, c.id);
  clearTimeout(c["at_timeout"]);
  
}

// ----- Hide -----

function HidePopNav()
{
  var c = document.getElementById(this["at_child"]);

  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 50);
}

// ----- Click -----

function ClickPopNav()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  if (c.style.visibility != "visible")
        GetPopNavPosition(p.id, c.id);
  else c.style.visibility = "hidden";

  return false;
}

// ----- Attach -----

// PARAMETERS:
// parent   - id of visible html element
// child    - id of invisible html element that will be dropdowned
// showtype - "click" = you should click the parent to show/hide the child
//            "hover" = you should place the mouse over the parent to show
//                      the child
// position - "x" = the child is displayed to the right of the parent
//            "y" = the child is displayed below the parent
// cursor   - Omit to use default cursor or check any CSS manual for possible
//            values of this field

function AttachPopNav(contentarea)
{
  var p = document.getElementById(contentarea);
  var c = document.getElementById(contentarea + "_c");
  if (p != null && c != null) {
  var showtype = "hover"
  var position = "y"
  var cursor = "pointer"

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = ClickPopNav;
      p.onmouseout  = HidePopNav;
      c.onmouseover = ShowPopNav;
      c.onmouseout  = HidePopNav;
      break;
    case "hover":
      p.onmouseover = ShowPopNav;
      p.onmouseout  = HidePopNav;
      c.onmouseover = ShowPopNav;
      c.onmouseout  = HidePopNav;
      break;
  }
  }
}



function AttachPopLayer(triggerid, anchorid, layerid)
{
  var t = document.getElementById(triggerid);
  var p = document.getElementById(anchorid);
  var c = document.getElementById(layerid);
  if (p != null && c != null) {
  var showtype = "hover"
  var position = "y"
  var cursor = "pointer"

  t["at_parent"] 	 = p.id;
  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  t["at_child"]      = c.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  t["at_position"]   = position;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) t.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      t.onclick     = ClickPopNav;
      t.onmouseout  = HidePopNav;
      c.onmouseover = ShowPopNav;
      c.onmouseout  = HidePopNav;
      break;
    case "hover":
      t.onmouseover = ShowPopNav;
      t.onmouseout  = HidePopNav;
      c.onmouseover = ShowPopNav;
      c.onmouseout  = HidePopNav;
      break;
  }
  }
}

//####### END: Show PopNav Layer ########################################################

//####### START: Flash Player Detection #################################################
/**
 * FlashObject v1.3: Flash detection and embed - http://blog.deconcept.com/flashobject/
 *
 * FlashObject is (c) 2006 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
if(typeof com == "undefined") var com = new Object();
if(typeof com.deconcept == "undefined") com.deconcept = new Object();
if(typeof com.deconcept.util == "undefined") com.deconcept.util = new Object();
if(typeof com.deconcept.FlashObjectUtil == "undefined") com.deconcept.FlashObjectUtil = new Object();
com.deconcept.FlashObject = function(swf, id, w, h, ver, c, useExpressInstall, quality, xiRedirectUrl, redirectUrl, detectKey){
  if (!document.createElement || !document.getElementById) return;
  this.DETECT_KEY = detectKey ? detectKey : 'detectflash';
  this.skipDetect = com.deconcept.util.getRequestParameter(this.DETECT_KEY);
  this.params = new Object();
  this.variables = new Object();
  this.attributes = new Array();
  this.useExpressInstall = useExpressInstall;

  if(swf) this.setAttribute('swf', swf);
  if(id) this.setAttribute('id', id);
  if(w) this.setAttribute('width', w);
  if(h) this.setAttribute('height', h);
  if(ver) this.setAttribute('version', new com.deconcept.PlayerVersion(ver.toString().split(".")));
  this.installedVer = com.deconcept.FlashObjectUtil.getPlayerVersion(this.getAttribute('version'), useExpressInstall);
  if(c) this.addParam('bgcolor', c);
  var q = quality ? quality : 'high';
  this.addParam('quality', q);
  var xir = (xiRedirectUrl) ? xiRedirectUrl : window.location;
  this.setAttribute('xiRedirectUrl', xir);
  this.setAttribute('redirectUrl', '');
  if(redirectUrl) this.setAttribute('redirectUrl', redirectUrl);
}
com.deconcept.FlashObject.prototype = {
  setAttribute: function(name, value){
    this.attributes[name] = value;
  },
  getAttribute: function(name){
    return this.attributes[name];
  },
  addParam: function(name, value){
    this.params[name] = value;
  },
  getParams: function(){
    return this.params;
  },
  addVariable: function(name, value){
    this.variables[name] = value;
  },
  getVariable: function(name){
    return this.variables[name];
  },
  getVariables: function(){
    return this.variables;
  },
  createParamTag: function(n, v){
    var p = document.createElement('param');
    p.setAttribute('name', n);
    p.setAttribute('value', v);
    return p;
  },
  getVariablePairs: function(){
    var variablePairs = new Array();
    var key;
    var variables = this.getVariables();
    for(key in variables){
      variablePairs.push(key +"="+ variables[key]);
    }
    return variablePairs;
  },
  getFlashHTML: function() {
    var flashNode = "";
    if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) { // netscape plugin architecture
      if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "PlugIn");
      flashNode = '<embed type="application/x-shockwave-flash" src="'+ this.getAttribute('swf') +'" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'"';
      flashNode += ' id="'+ this.getAttribute('id') +'" name="'+ this.getAttribute('id') +'" ';
      var params = this.getParams();
       for(var key in params){ flashNode += [key] +'="'+ params[key] +'" '; }
      var pairs = this.getVariablePairs().join("&");
       if (pairs.length > 0){ flashNode += 'flashvars="'+ pairs +'"'; }
      flashNode += '/>';
    } else { // PC IE
      if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "ActiveX");
      flashNode = '<object id="'+ this.getAttribute('id') +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'">';
      flashNode += '<param name="movie" value="'+ this.getAttribute('swf') +'" />"';
      var params = this.getParams();
       for(var key in params) {
        flashNode += '<param name="'+ key +'" value="'+ params[key] +'">';
       }
      var pairs = this.getVariablePairs().join("&");
       if(pairs.length > 0) flashNode += '<param name="flashvars" value="'+ pairs +'">';
    }
    return flashNode;
  },
  write: function(elementId){
    if(this.useExpressInstall) {
      // check to see if we need to do an express install
      var expressInstallReqVer = new com.deconcept.PlayerVersion([6,0,65]);
      if (this.installedVer.versionIsValid(expressInstallReqVer) && !this.installedVer.versionIsValid(this.getAttribute('version'))) {
        this.setAttribute('doExpressInstall', true);
        this.addVariable("MMredirectURL", escape(this.getAttribute('xiRedirectUrl')));
        document.title = document.title.slice(0, 47) + " - Flash Player Installation";
        this.addVariable("MMdoctitle", document.title);
      }
    } else {
      this.setAttribute('doExpressInstall', false);
    }
    if(this.skipDetect || this.getAttribute('doExpressInstall') || this.installedVer.versionIsValid(this.getAttribute('version'))){
      var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId;
      n.innerHTML = this.getFlashHTML();
    }else{
      if(this.getAttribute('redirectUrl') != "") {
        document.location.replace(this.getAttribute('redirectUrl'));
      }
    }
  }
}

/* ---- detection functions ---- */
com.deconcept.FlashObjectUtil.getPlayerVersion = function(reqVer, xiInstall){
  var PlayerVersion = new com.deconcept.PlayerVersion(0,0,0);
  if(navigator.plugins && navigator.mimeTypes.length){
    var x = navigator.plugins["Shockwave Flash"];
    if(x && x.description) {
      PlayerVersion = new com.deconcept.PlayerVersion(x.description.replace(/([a-z]|[A-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split("."));
    }
  }else{
    try{
      var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
      for (var i=3; axo!=null; i++) {
        axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i);
        PlayerVersion = new com.deconcept.PlayerVersion([i,0,0]);
      }
    }catch(e){}
    if (reqVer && reqVer.major > PlayerVersion.major) return PlayerVersion; // version is ok, skip minor detection
    // this only does the minor rev lookup if the user's major version 
    // is not 6 or we are checking for a specific minor or revision number
    // see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
    if (!reqVer || ((reqVer.minor != 0 || reqVer.rev != 0) && PlayerVersion.major == reqVer.major) || PlayerVersion.major != 6 || xiInstall) {
      try{
        PlayerVersion = new com.deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));
      }catch(e){}
    }
  }
  return PlayerVersion;
}
com.deconcept.PlayerVersion = function(arrVersion){
  this.major = parseInt(arrVersion[0]) || 0;
  this.minor = parseInt(arrVersion[1]) || 0;
  this.rev = parseInt(arrVersion[2]) || 0;
}
com.deconcept.PlayerVersion.prototype.versionIsValid = function(fv){
  if(this.major < fv.major) return false;
  if(this.major > fv.major) return true;
  if(this.minor < fv.minor) return false;
  if(this.minor > fv.minor) return true;
  if(this.rev < fv.rev) return false;
  return true;
}
/* ---- get value of query string param ---- */
com.deconcept.util = {
  getRequestParameter: function(param){
    var q = document.location.search || document.location.href.hash;
    if(q){
      var startIndex = q.indexOf(param +"=");
      var endIndex = (q.indexOf("&", startIndex) > -1) ? q.indexOf("&", startIndex) : q.length;
      if (q.length > 1 && startIndex > -1) {
        return q.substring(q.indexOf("=", startIndex)+1, endIndex);
      }
    }
    return "";
  },
  removeChildren: function(n){
    while (n.hasChildNodes()) n.removeChild(n.firstChild);
  }
}

/* add Array.push if needed (ie5) */
if (Array.prototype.push == null) { Array.prototype.push = function(item) { this[this.length] = item; return this.length; }}

/* add some aliases for ease of use/backwards compatibility */
var getQueryParamValue = com.deconcept.util.getRequestParameter;
var FlashObject = com.deconcept.FlashObject;

//####### END: Flash Player Detection #################################################

function VerifyEmail(email) 
{
	invalidChars = " /:,;"
	if (email == "") {	// cannot be empty
	  //alert("Please enter your email address.");
	  return false
        }
	for (i=0; i<invalidChars.length; i++) 
	{	// does it contain any invalid characters?
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) 
		{
			return false
		}
  }
  atPos = email.indexOf("@",1)	// there must be one "@" symbol
  if (atPos == -1) 
  {
		return false
  }
  if (email.indexOf("@",atPos+1) != -1) 
  {	// and only one "@" symbol
		return false
  }
  periodPos = email.indexOf(".",atPos)
  if (periodPos == -1) 
  {			// and at least one "." after the "@"
		return false
  }
  if (periodPos+3 > email.length)	
  { // must be at least 2 characters after the "."
		return false
  }
  return true
}

//######## START: Image Rollover ############################################################

function MM_swapImgRestore() { //v3.0
  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_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_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  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];}
}
//######## END: Image Rollover ############################################################