function changeLanguageTo(sLang)
{
   var sCurRef = document.location.href;
//   var sCurRef = 'http://www.rosas.be/Menu1/Rosas/tabid/54/language/nl-BE/Default.aspx';
   var sNewRef = ''
   
   if (sCurRef.indexOf('/nl-BE/') >= 0)
   {
      sNewRef = sCurRef.substr(0, sCurRef.indexOf('nl-BE')) + sLang + sCurRef.substr(sCurRef.indexOf('nl-BE') + 5);
   }
   if (sCurRef.indexOf('/fr-BE/') >= 0)
   {
      sNewRef = sCurRef.substr(0, sCurRef.indexOf('fr-BE')) + sLang + sCurRef.substr(sCurRef.indexOf('fr-BE') + 5);
   }
   if (sCurRef.indexOf('/en-US/') >= 0)
   {
      sNewRef = sCurRef.substr(0, sCurRef.indexOf('en-US')) + sLang + sCurRef.substr(sCurRef.indexOf('en-US') + 5);
   }
   
   document.location.href = sNewRef;
}