// Ajax

var xmlHttp = createXmlHttpRequestObject();



function createXmlHttpRequestObject() {

  var xmlHttp;

  if (window.ActiveXObject) {

    try {

      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

    }

    catch(e) {

      xmlHttp = false;

    }

  } else {

    try {

      xmlHttp = new XMLHttpRequest();

    }

    catch(e) {

      var xmlHttpVersions = new Array('MSXML2.XMLHTTP.6.0',

                                      'MSXML2.XMLHTTP.5.0',

                                      'MSXML2.XMLHTTP.4.0',

                                      'MSXML2.XMLHTTP.3.0',

                                      'MSXML2.XMLHTTP',

                                      'Microsoft.XMLHTTP');

      for (var i=0; i<xmlHttpVersions.length && !xmlHttp; i++) {

        try {

          xmlHttp = new ActiveXObject(xmlHttpVersions[i]);

        }

        catch (e) {}

      }                                

                                      

      xmlHttp = false;

    }

  }

  if (!xmlHttp) {

    alert('Error Creating XMLHttpRequest Object');

  } else {

    return xmlHttp;

  }

}



function process(id) {

  if (id>0) {

    if (xmlHttp.readyState==4 || xmlHttp.readyState==0) {

      try {

        mdata = encodeURIComponent(document.getElementById("t_answer").value);

        xmlHttp.open("POST","index.php",true);

        xmlHttp.setRequestHeader( 

                                 'Content-Type', 

                                 'application/x-www-form-urlencoded; charset=UTF-8' 

                                );

        var params = "cmd=responses&fetch="+id+

                     "&data=";//+mdata;

        xmlHttp.onreadystatechange = handleServerResponse;

        xmlHttp.send(params);

      }

      catch (e) {

        alert("Can`t connect to server:");

      }

    }

  }

}



function handleServerResponse() {

  if (xmlHttp.readyState==4) {

    if (xmlHttp.status==200) {

      response = xmlHttp.responseText;

//alert (document.getElementById("t_answer").innerHTML);

//    document.getElementById("t_answer").innerHTML += "\r\n\r\n" + response;

	InsertAtCursor(document.MyForm.t_answer, response);

//      document.MyForm.t_answer.value += "\r\n\r\n" + response;

    } else {

      alert('There was a problem accessing the server:'+xmlHttp.statusText);

    }

  }

}









function InsertAtCursor(fld, val) 

{

	if (document.selection) 

	{

		//ie support

		fld.focus();

		sel = document.selection.createRange();

		sel.text = val;

	}

	else if (fld.selectionStart || fld.selectionStart == "0") 

	{

		//moz/netscape support

		var startPos = fld.selectionStart;

		var endPos = fld.selectionEnd;

		fld.value = fld.value.substring(0, startPos) + val + fld.value.substring(endPos, fld.value.length);

	} 

	else 

	{

		fld.value += val;

	}

}