var http_request = false;
   function makePOSTRequest(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('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4 || http_request.readyState=="complete"){
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('myspan').innerHTML = "Thank you for your comment!<br> We will follow up with you soon.";            
      }
   }
   
   function get(obj) {
      var poststr = "name=" + encodeURI( document.getElementById("name").value ) +
                    "&company=" + encodeURI( document.getElementById("company").value ) +
                    "&email=" + encodeURI( document.getElementById("email").value ) +
                    "&phone=" + encodeURI( document.getElementById("phone").value ) +
                    "&comments=" + encodeURI( document.getElementById("comments").value );
      
      if (document.getElementById("name").value == "" || document.getElementById("name").value == "Name:")
      {
            alert("Please enter your name.");
            document.getElementById("name").focus(); 
            document.getElementById("name").value='Name:';
            return;
      }
      if (document.getElementById("phone").value == "" || document.getElementById("phone").value == "Phone:")
      {
            alert("Please enter the phone number we can reach you at.");
            document.getElementById("phone").focus(); 
            document.getElementById("phone").value='Phone:';
            return;
      }
      
      var stripped = document.getElementById("phone").value.replace(/[\(\)\.\-\ ]/g, '');
      
      if (isNaN(parseInt(stripped)))
      {
            alert("Please enter a valid phone number.");
            document.getElementById("phone").focus(); 
            return;
      }
      if (document.getElementById("email").value == "" || document.getElementById("email").value == "Email:")
      {
            alert("Please provide your email address.");
            document.getElementById("email").focus(); 
            document.getElementById("email").value='Email:';
            return;
      }
      
      var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
      str = document.getElementById("email").value;
      if(!str.match(emailRegEx))
      {
            alert("Please provide a valid email address.");
            document.getElementById("email").focus(); 
            return;
      }
      if (document.getElementById("company").value == "" || document.getElementById("company").value == "Company:")
      {
            alert("Please enter your company's name.");
            document.getElementById("company").focus(); 
            document.getElementById("company").value='Company:';
            return;
      }
      if (document.getElementById("comments").value == "" || document.getElementById("comments").value == "Your comments ...")
      {
            alert("Please enter your comments.");
            document.getElementById("comments").focus(); 
            document.getElementById("comments").value='comments:';
            return;
      }
            
      makePOSTRequest('http://www.aunutra.com/lib/inquery_handler.php', poststr);
   }