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 sndReq(action) {
     http.open('get', 'clrbx.php?action='+action);
     http.onreadystatechange = handleResponse;
     http.send(null);
}


function handleResponse() {
 if(http.readyState == 1){
    document.getElementById('cbox1000').innerHTML = '<div style="height:1000px; padding:35px;"><img src="images/gettingcolorinfo.png"/></div>';
  }
  if(http.readyState == 4){
    var response = http.responseText;
    document.getElementById('cbox1000').innerHTML = response;
  }
}