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 = "?" +
			"&mytextarea=" + encodeURI( document.getElementById("mytextarea").value) +
			"&txtCaptcha=" + encodeURI( document.getElementById("txtCaptcha").value) ;
      makeRequest('get.php', getstr);
   }

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


jQuery(document).ready(function(){
		  
	var C_count=0;
	jQuery('#txtCaptcha').keyup(function() {
										// alert("test");
		txtCaptcha_str=jQuery("#txtCaptcha").val();
		//jQuery('#txtCaptcha_str').html(txtCaptcha_str);
		
		C_count=txtCaptcha_str.length;
		// jQuery("#txtCaptcha_count").html(C_count+" :");
		
		jQuery.getJSON('/sac/test_captcha.php', {v:txtCaptcha_str}, function(json){
		if(json.otvet_str=="ok")
		{
		jQuery("#txtCaptcha").addClass("right_Captcha");
		jQuery("#txtCaptcha").removeClass("wrong_Captcha");
		jQuery("#consul_send").removeAttr("disabled");
		}
		else
		{
		jQuery("#txtCaptcha").removeClass("right_Captcha");
		jQuery("#txtCaptcha").addClass("wrong_Captcha");
		jQuery("#consul_send").attr("disabled","disabled");
		}
	});                
});

jQuery("#consul_send").click(function () {
	  if(jQuery("#mess").val()=="")
	  {
		  alert("Не заполнено поле вопроса");
		 jQuery("#mess").addClass("wrong_field");
		  jQuery("#mess").focus();
	  return false;
	  }
	  if(jQuery("#sender").val()=="")
	  {
		  alert("Не заполнено поле Имя");
		 jQuery("#sender").addClass("wrong_field");
		  jQuery("#sender").focus();
	  return false;
	  }
	  
	});
});