// create ajaxObject supports all browser with XMLHttpRequest Support
function CreateAjaxRequest (){
try { return new XMLHttpRequest(); } catch(e0){
try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); } catch(e1){
try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); } catch(e2){
try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch(e3){
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e4){
throw new Error( "This browser does not support AJAX." );
}}}}}}