var xmlHttpReq function xmlhttpMain(strURL,queryStr,submitType,resultFunction,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4) { var xmlHttpReq = false; var self = this; var asyncFlag = (resultFunction != null); // Mozilla/Safari if (window.XMLHttpRequest) { xmlHttpReq = new XMLHttpRequest(); } // IE else if (window.ActiveXObject) { xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP"); } if (xmlHttpReq) { if (submitType == 'POST') { fullURL = strURL; } else { fullURL = strURL+'?'+queryStr; } xmlHttpReq.open(submitType, fullURL, asyncFlag); xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); xmlHttpReq.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT"); //This line prevents IE caching of requests if (asyncFlag) { xmlHttpReq.onreadystatechange = function() { if (xmlHttpReq.readyState == 4) { resultFunction(xmlHttpReq.responseText,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4); } } } if (submitType == 'POST') xmlHttpReq.send(queryStr); else xmlHttpReq.send(); if (asyncFlag) { return true; } else { return xmlHttpReq.responseText; } } else { alert("Ajax not supported!"); return "AJAX_UNSUPPORTED"; } } function xmlhttpPost(strURL,queryStr,resultFunction,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4) { return xmlhttpMain(strURL,queryStr,'POST',resultFunction,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4); } function xmlhttpGet(strURL,queryStr,resultFunction,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4) { return xmlhttpMain(strURL,queryStr,'GET',resultFunction,resultFunctionParam1,resultFunctionParam2,resultFunctionParam3,resultFunctionParam4); } function getFormQueryString(formObj) { qs = ''; i = 0; while (i < formObj.elements.length) { field = formObj.elements[i]; if (field != null && field.name != '' && (field.type != 'radio' || field.checked == true)) { if (qs) { qs += '&'; } qs += field.name + '=' + escape(field.value) } i++; } return qs; } function simpleFormValidation(strURL,formObj) { var queryStr = getFormQueryString(formObj) + "&ajax=1"; var result = xmlhttpPost(strURL,queryStr); if (result != 1) { alert(result); return false; } return true; }
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