/* * * ajax helper * * @copyright (c) 2007 NonFood Werbeagentur Unit 2 GmbH * @author Andreas Habel * * $Id: fajax.js,v 1.7 2010/06/21 09:51:15 virus-d Exp $ * */ function fAjax() {}; fAjax.prototype = { debug:false, /* callback methods */ onsubmit: null, onsuccess: null, onerror: null, request: function(url, id, params) { var xhttp=fScript.xmlHttpRequest(); if (typeof this.onsubmit == 'function') { this.onsubmit(); } var myself = this; xhttp.onreadystatechange = function() { myself.__resultHandler.call(myself,xhttp,id); }; xhttp.open('POST',url,true); data = this.buildParamList(params); xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); xhttp.send(data); return true; }, __resultHandler: function(xhttp,id) { if (xhttp.readyState!=4) { return; } if (this.debug) { alert('targetID: '+id+' -- Service reply: '+xhttp.responseText); } var nodes=xhttp.responseXML.documentElement.getElementsByTagName('div')[0]; if (nodes.childNodes.length == 0) { if (typeof this.onerror == 'function') { this.onerror(xhttp.responseXML); } return false; } if (typeof this.onsuccess == 'function') { this.onsuccess(xhttp.responseXML); } if (id!='') { this.__mergeIntoContent(xhttp, id); } return true; }, __mergeIntoContent: function(xhttp, id) { target = document.getElementById(id); if (!target) { throw "target not found"; } var blank; if (fScript.isIE) { var x; if (xhttp.responseXML.childNodes.length == 0) { var tempString = xhttp.responseText; var start = 0, end = 0; start = tempString.indexOf('')+6; end = tempString.indexOf(''); tempString = tempString.substring(start, end); tempNode = new ActiveXObject('Microsoft.XMLDOM'); tempNode.async = false; tempNode.loadXML(tempString); x = tempNode.getElementsByTagName('div')[0]; } else { x=xhttp.responseXML.documentElement.getElementsByTagName('div')[0]; } x.removeAttribute('id'); var tmp = document.importNode(x,true); target.innerHTML=''; target.appendChild(tmp); target.innerHTML=target.innerHTML; } else { blank = target.cloneNode(false); var x=xhttp.responseXML.documentElement.getElementsByTagName('div')[0]; x.removeAttribute('id'); var tmp = document.importNode(x,true); blank.appendChild(tmp); target.parentNode.replaceChild(blank,target); } return true; }, buildParamList: function(params) { var list=new Array(); for(x in params) { if (typeof params[x] != 'function') { var fnc = encodeURIComponent || escape; var value = fnc(params[x]); list.push(x+'='+value); } } return list.join('&'); } }//core