function lang(version,version2){
	link = location.href;
	english = "/en/";
	tradchinese = "/tc/";
	simpchinese = "/sc/";
	
	if (version == "en")
	{		
			if (version2 == "tc")  {		
			  link = link.replace (english, tradchinese);
			  parent.location.href = link; }
			else  {
			  link = link.replace (english, simpchinese);
			  parent.location.href = link; }
		}		
	 else if (version == "tc")  {
	            if (version2 == "en")  {		
			        link = link.replace (tradchinese, english);
			        parent.location.href = link; }
			    else  {
			        link = link.replace (tradchinese, simpchinese);
		            parent.location.href = link; }
	   }		
  	 else if (version == "sc") {
		        if (version2 == "en")  {		
			        link = link.replace (simpchinese, english);
			        parent.location.href = link; }
		       	else  {
			        link = link.replace (simpchinese, tradchinese);
			        parent.location.href = link; }
	   }	
}