var http_request_category	= false;

   var MySpaneNameCategory		= "myspan_category";

   function makePOSTRequestCategory(url, parameters) {
      http_request_category = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request_category = new XMLHttpRequest();
         if (http_request_category.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request_category.overrideMimeType('text/xml');
            http_request_category.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request_category = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request_category = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request_category) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }

      var contentType = "application/x-www-form-urlencoded; multipart/form-data;";

      http_request_category.onreadystatechange = alertCategory;
      http_request_category.open('POST', url, true);
      http_request_category.setRequestHeader("Content-type", contentType);
      http_request_category.setRequestHeader("Content-length", parameters.length);
      http_request_category.setRequestHeader("Connection", "close");
      http_request_category.send(parameters);

   }

   function alertCategory() {
      if (http_request_category.readyState == 4) {
         if (http_request_category.status == 200) {
            //alert(http_request_category.responseText);
            result = http_request_category.responseText;
            document.getElementById(MySpaneNameCategory).innerHTML = result;
        } else {
            alert('There was a problem with the request no 1.');
         }
      }
   }

   function getCategory(category_id,task,file) {
	MySpaneNameCategory = "myspan_category";

	if (task!="default") {
		document.getElementById(MySpaneNameCategory).innerHTML = 'wczytwanie danych kategorii..';
	}

	var poststr	= "";
	    poststr	= poststr + "task=" + task;
	    poststr	= poststr + "&category_id=" + category_id;

	if (task=="delete") {
	  	  poststr	= poststr + "&file=" + file;
	}

	if (task=="default") {
	  	  poststr	= poststr + "&file=" + file;
	}

	makePOSTRequestCategory("/scripts/forms/category/category.php", poststr);
   }