var http_request = false;
   function makePOSTRequest(url, parameters,id) {
      http_request = false;
      if (window.XMLHttpRequest) {
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
             http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) {
         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 = function(){alertContents(id)};
      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(id) {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
            document.getElementById(id).innerHTML = result;            
         } else {
            alert('در ارسال درخواست شما مشکلی بوجود آمده است.');
         }
      }
   }
   
 function register(obj) {

loading('myspan',1);
      var poststr = "first_name=" + encodeURI( document.getElementById("first_name").value ) +
	  				"&last_name=" + encodeURI( document.getElementById("last_name").value ) +
	  				"&email=" + encodeURI( document.getElementById("email").value ) +
	  				"&user_name=" + encodeURI( document.getElementById("user_name").value ) +
                    "&pass=" + encodeURI( document.getElementById("pass").value )+
                    "&pass_re=" + encodeURI( document.getElementById("pass_re").value )+
                    "&number=" + encodeURI( document.getElementById("number").value )+
					"&address=" + encodeURI( document.getElementById("address").value );
					
      makePOSTRequest('/kernel/template/demo/form/register.php', poststr,'myspan');
loading('myspan',0);
   }
   
 function profile(obj) {
loading('myspan',1);
      var poststr = "first_name=" + encodeURI( document.getElementById("first_name").value ) +
	  				"&last_name=" + encodeURI( document.getElementById("last_name").value ) +
	  				"&email=" + encodeURI( document.getElementById("email").value ) +
                    "&number=" + encodeURI( document.getElementById("number").value )+
					"&address=" + encodeURI( document.getElementById("address").value );
					
      makePOSTRequest('/kernel/template/demo/form/profile.php', poststr,'myspan');
loading('myspan',0);
   }
   
 function reserve(obj) {
loading('myspan',1);
      var poststr = "_reserve=" + encodeURI( document.getElementById("_reserve").value ) +
	  				"&method=" + encodeURI( document.getElementById("method").value );
					
      makePOSTRequest('/kernel/template/demo/form/reserve.php', poststr,'myspan');
loading('myspan',0);
   }