// JScript 文件

function changeURLPar(destiny, par, par_value)
{
    var pattern = par+'=([^&]*)';
    var replaceText = par+'='+par_value;

    if (destiny.match(pattern))
    {
         var tmp = '/\\'+par+'=[^&]*/';
         tmp = destiny.replace(eval(tmp), replaceText);
         return (tmp);
    }
    else
    {
         if (destiny.match('[\?]'))
         {
          return destiny+'&'+ replaceText;
         }
         else
         {
          return destiny+'?'+replaceText;
         }
    }
    return destiny+'\n'+par+'\n'+par_value;
}

function switchLang(from,to) {
	var currentStr = window.location.href;
	currentStr = currentStr.replace("/" + from + "/", "/" + to + "/");
	currentStr = currentStr.replace("lang=" + from, "lang=" + to);
	window.location.href = currentStr;
}

function changeLan(_lang)
{
	var lang = '/' + _lang + '/'; 
	var url = window.location.href;
	window.location.href = url.replace(/\/en\//,lang);
	return false;
}