function getHTTPObject() { 
var xmlhttp; 
/*@cc_on
@if (@_jscript_version >= 5)
try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
  try {
	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
	xmlhttp = false;
  }
}
@else
xmlhttp = false;
@end @*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
	try {
	  xmlhttp = new XMLHttpRequest();
	} catch (e) {
	  xmlhttp = false;
	}
  }
  return xmlhttp;
}
var http = getHTTPObject();