function switchLanguage(sCurPrefix,sDistPrefix){
		var path = window.location.href;
		var pathLen = path.length;
		var fileChar= new Array();
	  while(pathLen > 0){
		  var c =path.charAt(--pathLen);
		  if(c == "/" || c == "\\"){
			   break;
		  }
		  
		  fileChar.push(c);
	  }
	  
	  fileChar.reverse();
	  var sFileName = fileChar.join("");
	  path = path.replace(sFileName,"");
	  if(sCurPrefix == ""){
		   sFileName = sDistPrefix + sFileName;
	  }else{
		  sFileName = sFileName.replace(sCurPrefix,sDistPrefix);
	  }
	 
	  location = path + sFileName;
	}// JavaScript Document