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;
      document.getElementById('myspan').innerHTML = '<div align=center><img src=images/loader.gif></div>';   
      http_request.open('POST', url, true);
    //  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http_request.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=windows-1251');      
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }
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;            
         } else {
           alert('There was a problem with the request.');
         }
      }
   }
function get(obj) {
var poststr = 
"firm_name=" + encodeURI( document.getElementById("text1").value ) +
"&tel=" + encodeURI( document.getElementById("text2").value )+
"&name=" + encodeURI( document.getElementById("text3").value )+
"&adres=" + encodeURI( document.getElementById("text4").value )+
"&primech=" + encodeURI( document.getElementById("text5").value )+
"&milo=" + encodeURI( document.getElementById("text6").value )+
"&vesyou=" + encodeURI( document.getElementById("text7").value );
makePOSTRequest('in.php5', poststr);
 }