1 var _createHttpRequest = function () { 2 var obj; 3 if (window.XMLHttpRequest) obj = new XMLHttpRequest(); 4 else if (window.ActiveXObject) { 5 try { 6 obj = new ActiveXObject("Msxml2.XMLHTTP"); 7 } 8 catch (e0) { 9 try { 10 obj = new ActiveXObject("Microsoft.XMLHTTP"); 11 } 12 catch (e1) { } 13 } 14 } 15 return obj; 16 }