var files = 'function-ajax.php';
var http_request = false;
var ajax = '';
 
function makeRequest(files, type, parameters, getresponse) {
	 var rand ='&nocache=' + Math.random();
	 var url = 'includes/'+files + parameters + rand;
      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 = getresponse;
      http_request.open(type, url , true);
      http_request.send(null);
   }
   // end general connection to ajax

// return user


// create parameters to send from form
   function getFormObjects(fname) {
      ajax = "?";
	  var obj = document.getElementById(fname);
      for (i=0; i < obj.elements.length; i++) {
         if (obj.elements[i].tagName == "INPUT")
		 {
            if (obj.elements[i].type == "text") {
               ajax += obj.elements[i].name + "=" + obj.elements[i].value + "&";
			}
			
			if (obj.elements[i].type == "hidden") {
               ajax += obj.elements[i].name + "=" + obj.elements[i].value + "&";
			}
			
            if (obj.elements[i].type == "checkbox") {
               if (obj.elements[i].checked) {
                  ajax += obj.elements[i].name + "=" + obj.elements[i].value + "&";
               } else {
                  ajax += obj.elements[i].name + "=&";
               }
            }
			
            if (obj.elements[i].type == "radio") {
               if (obj.elements[i].checked) {
                  ajax += obj.elements[i].name + "=" + obj.elements[i].value + "&";
               }
            }
         }  
		 
         if (obj.elements[i].tagName == "SELECT") {
            ajax += obj.elements[i].name + "=" + obj.elements[i].options[obj.elements[i].selectedIndex].value + "&";
         }
		 
		 if (obj.elements[i].tagName == "TEXTAREA") {
            ajax += obj.elements[i].name + "=" + obj.elements[i].value + "&";
         }
      }
   }
   
   // clear all values from form firls
   function clearFormObjects(fname) {
	  var obj = document.getElementById(fname);
      for (i=0; i < obj.elements.length; i++) {
         if (obj.elements[i].tagName == "INPUT")
		 {
            if (obj.elements[i].type == "text") {
               obj.elements[i].value = null;
			}
			
			if (obj.elements[i].type == "checkbox") {
               obj.elements[i].value = null;
            }
			
            if (obj.elements[i].type == "radio") {
				obj.elements[i].value = null;            
			}
         }  
		 
         if (obj.elements[i].tagName == "SELECT") {
            obj.elements[i].options[obj.elements[i].selectedIndex].value = '';
			if (obj.elements[i].options[0].value == '')
				obj.elements[i].options[0].selected = true;
         }
		 
		 if (obj.elements[i].tagName == "TEXTAREA") {
            obj.elements[i].value = null;
         }
      }
   }

// AJAX CALLS
   
function return_subscribe(){
	getFormObjects('form-contact');
	ajax += 'action=subscribe';
	makeRequest(files, 'GET', ajax, response_return_subscribe);
}

function response_return_subscribe(){

 if (http_request.readyState == 4)
 {
   if (http_request.status == 200) {
      result = http_request.responseText;
   } else {
     	result = 'Eroare: nu s-au trimis datele dvs';
   }
   
   if (result){
  		key = result.split('|');
		
		if (key[0] == 1){
			clearFormObjects('form-contact');
			document.getElementById('contact').innerHTML = key[1];
		}
		else
		if (key[0] == 0){
			document.getElementById('mess').innerHTML = key[1] + '<br><br>';
		}
   }
 }
}