//系统常量
var BIG5_CHARACTER_STRING = ":1980/b5/www.houjjie.gov.cn/default.htm";	//繁简通的特征字符串

//取得特征字符串在当前页面的位置
function getBIG5CharacterIndex(strURL){  
  return strURL.indexOf(BIG5_CHARACTER_STRING);
}

function getRelativeURL(strURL){
  var sUrl = strURL;
  
  var CHAR_SLASH_TIME;		//斜杠字符'/'次数
  if (getBIG5CharacterIndex(sUrl)>0)	//当前页面URL是翻译过的页面URL
    CHAR_SLASH_TIME = 3;	//为3.因为http://big5.houjie.gov.cn/default.htm
  else
    CHAR_SLASH_TIME = 3;	//为3.因为http://www.houjjie.gov.cn/default.htm
   
   
  var i = 0;
  var iCount = 0; 
  while(i<sUrl.length){
    if (sUrl.charAt(i)=='/'){
      ++iCount;
      if (iCount==CHAR_SLASH_TIME)//停止点
        break;
    }
    i++;
  }
       
  if (i>=sUrl.length)		//如URL串为http://www.houjjie.gov.cn时，可能使i>=strURL.length
    sUrl = "";
  else    
    sUrl = sUrl.substring(i,sUrl.length);  
  
  return sUrl;
}

function toBIG5(){
  var strURL = document.URL;
  
  if (getBIG5CharacterIndex(strURL)>=0)		//如果已经是繁体页面，则不用翻译
    return;
  
  //var strWebSite = getWebSite(strURL);
  //var strRelativeURL = getRelativeURL(strURL);     
  window.location.href = "http://www.houjjie.gov.cn:1980/b5/www.houjjie.gov.cn/default.htm";  
}

function toGB(){
  var strURL = document.URL;
  var c="htt";
  var d="p://";
  var a="www.houjie";
  var b=".gov.cn/default.htm";
  
  //alert(strURL);
  if (getBIG5CharacterIndex(strURL)<0)	
  	//如果已经是简体页面，则不用翻译
  
    return; 
  
  //var strWebSite = getWebSite(strURL);
  //var strRelativeURL = getRelativeURL(strURL);

  window.location.href= c+d+a+b;
}

function toEng(){
  var strURL = document.URL;
  var c="htt";
  var d="p://";
  var a="www.houjie";
  var b=".gov.cn/english/default.htm";
  
  //alert(strURL);
  //if (getBIG5CharacterIndex(strURL)<0)	
  	//如果已经是简体页面，则不用翻译
  
    //return; 
  
  //var strWebSite = getWebSite(strURL);
  //var strRelativeURL = getRelativeURL(strURL);

  window.location.href= c+d+a+b;
}