var xmlHttp = ajax_utworz_obiekt (); function ajax_utworz_obiekt () { var xmlHttp; try { xmlHttp = new XMLHttpRequest (); } catch (e) { var xmlHttpVersions = new Array (); xmlHttpVersions[0] = "MSXML2.XMLHTTP.6.0"; xmlHttpVersions[1] = "MSXML2.XMLHTTP.5.0"; xmlHttpVersions[2] = "MSXML2.XMLHTTP.4.0"; xmlHttpVersions[3] = "MSXML2.XMLHTTP.3.0"; xmlHttpVersions[4] = "MSXML2.XMLHTTP"; xmlHttpVersions[5] = "Microsoft.XMLHTTP"; for (var i=0;i<=5;i++) if (!xmlHttp) { try { xmlHttp = new ActiveXObject (xmlHttpVersions[i]); } catch (e) { } } } return xmlHttp; }