function createRequestObject() {
     var ro;
     var browser = navigator.appName;
     if(browser == "Microsoft Internet Explorer"){
          ro = new ActiveXObject("Microsoft.XMLHTTP");
     }else{
          ro = new XMLHttpRequest();
     }
     return ro;
}

var http = createRequestObject();

function GetReq(action) {
     http.open('GET', 'glbsearch.php?action='+action);
     http.onreadystatechange = handleResponse;
     http.send(null);
}

function PostReq(action) {
    var str = action+'='+encodeURI(document.getElementById(action).value);
    http.open('POST', 'glbsearch.php', true);
    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http.setRequestHeader("Content-length", action.length);
    http.setRequestHeader("Connection", "close");
    http.onreadystatechange = handleResponse;
    http.send(str);
}

function handleResponse() {
     if(http.readyState == 4){
          var response = http.responseText;
          var update = new Array();

          if(response.indexOf('|') != -1) {
               update = response.split('|');
               document.getElementById(update[0]).innerHTML = update[1];
          }
     }
}