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];}
}

function switchLang(lang)
{
  var strUrl = window.location.href;
  
  if (strUrl.indexOf('_en.html') != -1) {
  	window.location= strUrl.replace('_en.html', '_'+lang+'.html');
  } else if (strUrl.indexOf('_zh.html') != -1) 
  {
    window.location= strUrl.replace('_zh.html', '_'+lang+'.html');
  } else if (strUrl.indexOf('_cn.html') != -1) 
  {
    window.location= strUrl.replace('_cn.html', '_'+lang+'.html');
  } else
  {
	  
	 var phpUrl = window.location.href; 
	// phpUrl= phpUrl.replace('?page=', '');
	 //phpUrl= phpUrl.replace('1', '');
	 
     if (phpUrl.indexOf('_en.php') != -1) {
  	   window.location= phpUrl.replace('_en.php', '_'+lang+'.php');
     } else if (phpUrl.indexOf('_zh.php') != -1) 
     {
       window.location= phpUrl.replace('_zh.php', '_'+lang+'.php');
     } else if (phpUrl.indexOf('_cn.php') != -1) 
     {
      window.location= phpUrl.replace('_cn.php', '_'+lang+'.php');
     } else{
	 window.location = strUrl + 'index_'+lang+'.php';
	 }
	
	
  }
  
}