/********************************************************************************************/
/* AJAX Simple Tabs by developersnippets, This code is intended for practice purposes.      */
/* You may use these functions as you wish, for commercial or non-commercial applications,  */
/* but please note that the author offers no guarantees to their usefulness, suitability or */
/* correctness, and accepts no liability for any losses caused by their use.                */
/********************************************************************************************/

var req;
function callPage(pageUrl, divElementId, loadinglMessage, pageErrorMessage) {
     document.getElementById(divElementId).innerHTML = loadinglMessage;
     try {
     req = new XMLHttpRequest(); /* e.g. Firefox */
     } catch(e) {
       try {
       req = new ActiveXObject("Msxml2.XMLHTTP");  /* some versions IE */
       } catch (e) {
         try {
         req = new ActiveXObject("Microsoft.XMLHTTP");  /* some versions IE */
         } catch (E) {
          req = false;
         } 
       } 
     }
     req.onreadystatechange = function() {responsefromServer(divElementId, pageErrorMessage);};
     req.open("GET",pageUrl,true);
     req.send(null);
  }

function responsefromServer(divElementId, pageErrorMessage) {
   var output = '';
   if(req.readyState == 4) {
      if(req.status == 200) {
         output = req.responseText;
         document.getElementById(divElementId).innerHTML = output;
         } else {
         document.getElementById(divElementId).innerHTML = pageErrorMessage+"\n"+output;
         }
      }
  }
  
/* This Function is for Tab Panels */
function activeTab(tab,total,tipo, url)
	{
          if (tipo == "url"){
               var myCounter = 1;
               while(myCounter <= total){
                    document.getElementById("tab"+myCounter).className = "";
                    myCounter++;
               }
	       document.getElementById("tab"+tab).className = "active";
	       callPage(url, 'content', '<p class=\"preload\" ><img src=\"/media/imgs/loading.gif\" /><br />Carregando, Aguarde...</p>', '<p class=\"preload_erro\" ><img src=\"/media/imgs/error_caution.gif\" />Erro ao carregar página<p>');
          } else {
               var myCounter = 1;
               while(myCounter <= total){
                    document.getElementById("tab"+myCounter).className = "";
                    document.getElementById("content"+myCounter).style.display = 'none';
                    myCounter++;
               }
	       document.getElementById("tab"+tab).className = "active";
               document.getElementById("content"+tab).style.display = '';
          }
	}