var req1;
var doesNotSupport1 = true;
function lang_change(url,c){
    //alert(url);
    //alert(c);
    
    if(window.XMLHttpRequest) {
       req1 = new XMLHttpRequest;
    } else if (window.ActiveXObject) {
       req1 = new ActiveXObject("Microsoft.XMLHTTP");
    }

    if(req1) {

       url=url+"?language="+c;
       //alert(url);
       req1.open("POST",url, true);
       req1.setRequestHeader('Content-Type','application/x-www-form-urlencoded');

       var postvalues="";
       postvalues="language="+c;
       //alert(postvalues);
       req1.send(postvalues);
       req1.onreadystatechange = processReqChangeA;

    } else {
       alert("Please use latest version of the current browser to function properly");
       doesNotSupport1 = false;
    }
}

function processReqChangeA() {

   //alert(req1.readyState);
    if(req1.readyState == 4) {
       //alert(req1.status);
       if(req1.status == 200) {
          var ss=trim(req1.responseText);

             //alert(ss);
             document.langfrm.submit();
        /*
          if(ss == '1'){
             alert("Language is English");
          }
          if(ss == '2'){
             alert("Language is French");
          }
          if(ss == '3'){
             alert("Language is Spanish");
          }
        */

      }
  }

}



function trim(str)
{
    if(!str || typeof str != 'string')
        return null;

    return str.replace(/^[\s]+/,'').replace(/[\s]+$/,'').replace(/[\s]{2,}/,' ');
}