var http_request = false;
   function makeRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('myspan').innerHTML = result; 
			//Get a reference to CAPTCHA image
			img = document.getElementById('imgCaptcha'); 
			//Change the image
			img.src = 'create_image.php?' + Math.random(); // Search for new image
			document.getElementById('txtCaptcha').value=''; //Reset input Captcha  after succes return 			
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   


   function get(obj) {
      var getstr = "?" +
                        "&Contact=" + encodeURI( document.getElementById("Contact").value) +
                       	"&Telephone=" + encodeURI( document.getElementById("Telephone").value) +
						"&Email=" + encodeURI( document.getElementById("Email").value) +
					    "&Race=" + encodeURI( document.getElementById("Race").value) +
					    "&Date=" + encodeURI( document.getElementById("Date").value) +
                        "&City=" + encodeURI( document.getElementById("City").value) +
                        "&State=" + encodeURI( document.getElementById("state_check").value) +
                        "&Distance=" + encodeURI( document.getElementById("Distance").value) +
                        "&start_time=" + encodeURI( document.getElementById("start_time").value) +

                        "&expected_entrants=" + encodeURI( document.getElementById("expected_entrants").value) +
                        "&entrants_last=" + encodeURI( document.getElementById("entrants_last").value) +
                        "&race_check=" + encodeURI( document.getElementById("race_check").value) +
                        "&chip_check=" + encodeURI( document.getElementById("chip_check").value) +
						"&quote_check=" + encodeURI( document.getElementById("quote_check").value) +
                        "&location_check=" + encodeURI( document.getElementById("location_check").value) +
						"&vehicle_check=" + encodeURI( document.getElementById("vehicle_check").value) +
                        "&gantry_check=" + encodeURI( document.getElementById("gantry_check").value) +
                        "&start_width=" + encodeURI( document.getElementById("start_width").value) +
                        "&finish_width=" + encodeURI( document.getElementById("finish_width").value) +
                        
						"&accept_entries_check=" + encodeURI( document.getElementById("accept_entries").value) +
						
                        "&anticipated_entries=" + encodeURI( document.getElementById("anticipated_entries").value) +
                        "&manage_check=" + encodeURI( document.getElementById("manage_check").value) +
                        "&data_check=" + encodeURI( document.getElementById("data_check").value) +
						"&txtCaptcha=" + encodeURI( document.getElementById("txtCaptcha").value) ;
						
						

      makeRequest('request_form.php', getstr);
   }


// IMAGE REFRESHING
function refreshimg()
{
	//Get a reference to CAPTCHA image
	img = document.getElementById('imgCaptcha'); 
	//Change the image
	img.src = 'create_image.php?' + Math.random();
}