var btn = document.getElementById('btn1'); btn.onclick = function chesub() { var form = document.getElementById('form1'); var field1 = document.getElementById("Field1").value; var field2 = document.getElementById("Field2").value; var field3 = document.getElementById("Field3").value; var field4 = document.getElementById("Field4").value; var field18 = document.getElementById("Field18").value; var field19 = document.getElementById("Field19").value; var field34 = document.getElementById("Field34").value; if (!field1) { alert("Firstname can 't be empty."); return false; } if (!field2) { alert("Last name can't be empty."); return false; } if (!field3) { alert("Email can't be empty."); return false; } if (!/[\s\S]+@[\S\s]+/.test(field3)) { alert('Email is not valid.'); return false; } if (field19 > 0) { if (field19.length < 7) { alert("Phone number must be Seven or more digits."); return false; } } else { alert("Phone number must be Seven or more digits."); return false; } if (!field18) { alert("Country can't be empty."); return false; } if (!field34) { alert("Please choose the stage of your business."); return false; } if (!field4) { alert("Inquiry details can't be empty."); return false; } document.getElementById("btn1").onclick = null; document.getElementById("btn1").innerHTML = 'Loading...'; var xhr = new XMLHttpRequest(); xhr.open("POST", "/sendwufoo.php?action=submit&method=adwords1", true); xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); xhr.send('Field1=' + field1 + '&Field2=' + field2 + '&Field3=' + field3 + '&Field4=' + document.getElementById("Field4").value + '&Field10=' + window.location.pathname + "&Field16=" + window.location.href + '#' + document.getElementById("products_id").value + '&Field18=' + field18 + '&Field19=' + field19 + '&Field34=' + field34); xhr.onreadystatechange = function() { var XMLHttpReq = xhr; if (XMLHttpReq.readyState == 4) { if (XMLHttpReq.status == 200) { document.getElementById('btn1').disabled = true; var text = XMLHttpReq.responseText; var texts = JSON.parse(text); if (texts.Success == 1) { window.location.href = document.getElementById("btn1").href + '?' + window.location.pathname; } } } }; return false; }