function getXmlHttpRequestObject(){if(window.XMLHttpRequest)return new XMLHttpRequest;else if(window.ActiveXObject)return new ActiveXObject("Microsoft.XMLHTTP");else alert("Your browser doesn't support the XmlHttpRequest object.")}var receiveReq=getXmlHttpRequestObject();
function makeRequest(b,a){if(receiveReq.readyState==4||receiveReq.readyState==0){receiveReq.open("POST",b,true);receiveReq.onreadystatechange=updatePage;receiveReq.setRequestHeader("Content-type","application/x-www-form-urlencoded");receiveReq.setRequestHeader("Content-length",a.length);receiveReq.setRequestHeader("Connection","close");receiveReq.send(a)}}function updatePage(){if(receiveReq.readyState==4){img=document.getElementById("imgCaptcha");img.src="/validation_image.php?"+Math.random()}}
function getParam(b){var a=document.getElementById("captcha").name+"="+encodeURIComponent(document.getElementById("captcha").value);makeRequest(b,a)};