var xmlHttp = false;
var inProgress = false;
var ajax_replimit = 1;

function ajaxReq(str, wa) {
	if (inProgress == true) { 
		if (ajax_replimit <= 20) {
			setTimeout("ajaxReq('"+str+"', 'd')",1000);
			ajax_replimit++;
		}
		return false; 
	}
	else { 
		ajax_replimit = 1;
		inProgress = true; 
	}

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		xmlHttp = new XMLHttpRequest();
		if (xmlHttp.overrideMimeType) {
			// lai nerādītu xml erroru firefoxī (ja neizmanto xml noformējumu), tad šo atkomentē
			////xmlHttp.overrideMimeType('text/xml');
			// See note below about this line
		}
	} else if (window.ActiveXObject) { // IE
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	
	if (!xmlHttp) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	
	// faila nosaukums, no kura atgriezīs tekstu
	var file = '/ajax.php?';
  if (wa == 'mnu') var file = '/do.php?';
  if (wa == 'col') var file = '/req.php?';
  // ? if (wa == 'upl') var file = '/ut/progress.php?';
  if (wa == 'par') var file = '/ajax_par.php?';
	
	// stringu values vēlams apstrādāt ar encodeURIComponent()
	//var str = 'key=value&key2=value2';
	//str = escape(str);
	
	// ulr variablis domāts GET veidam
	//url = file+str;
	
	// norādam kuru funkciju izmantos, kas apstrādās atgriezto tekstu
	xmlHttp.onreadystatechange = alertContents;
	xmlHttp.open("POST", file, true); 
	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;utf-8");
	xmlHttp.send(str); 
}

function alertContents() {
	// readyState = 4, viss nolādējies
	if (xmlHttp.readyState == 4) {
		// status = 200 ready
		if (xmlHttp.status == 200) {
			// ievācam variablī resp atbildi no servera
			//== var resp = xmlHttp.responseText;
      var resp=xmlHttp.responseText.split('|');
      
      if (resp[0] == 'mnu_add') {
        /*if (resp[1] == 'exists') {
          document.getElementById('spBtnOk').innerHTML = '<input type="button" value="Add" onclick="saveAdd()"/>';
          document.getElementById('txtErr').innerHTML = 'Write in other name. This already exists.<br/>';
        } else {*/
          var enteredTitle = document.getElementById('txtAddMnu').value;
          var ot  = document.createElement('option');
          ot.text = enteredTitle;
          try {
            sel.add(ot, null); // standart
          } catch (ex) {
            sel.add(ot); // IE only
          }
          gmenuchanged = true;
          close_new_msg();
        //}
      }
      
      if (resp[0] == 'mnu_ren') {
        /*if (resp[1] == 'exists') {
          document.getElementById('spBtnOk').innerHTML = '<input type="button" value="ok" onclick="saveRen()"/>';
          document.getElementById('txtErr').innerHTML = 'Write in other name. This already exists.<br/>';
        } else {*/
          var enteredTitle = document.getElementById('txtRenMnu').value;
          var ot  = document.createElement('option');
          sel.options[sel.selectedIndex].text = enteredTitle;
          gmenuchanged = true;
          close_new_msg();
        //}
      }
      
      if (resp[0] == 'mnu_del' || resp[0] == 'mnu_move') menuajax_sh(1);
      
      if (resp[0] == 'page_name') window.location.reload();
      
      
      if (resp[0] == 'check_domain') {
        var rt = document.getElementById('domRespText');
        switch (resp[1]) {
          case 'true' : rt.innerHTML = 'Such domain is available'; break;
          case 'false': rt.innerHTML = 'Such domain already exists';
        }
      }
      
      
      if (resp[0] == 'check_subdomain') {
        var rt = document.getElementById('subDomRespText');
        switch (resp[1]) {
          case 'true' :
            //sbdval = 
            rt.innerHTML = '<input style="width: 100%" onclick="registerSubDomain()" type="submit" value="To register, it will cost X points."/> </form>';
          break;
          case 'false': 
            rt.innerHTML = '<span style="color: #f00; font-weight: bold;">Such home page address already exists. Please choose another.</span>';
            
        }
      }

      if (resp[0] == 'ren_subdomain') {
        var rt = document.getElementById('subDomRespText');
        switch (resp[1]) {
          case 'true' :
            //not needed actually
            rt.innerHTML = '<input style="width: 100%" onclick="registerSubDomain()" type="submit" value="To register, it will cost X points."/> </form>';
          break;
          case 'false': 
            var retText = 'Such home page address {subdom} already exists. Please choose another.';
            retText = retText.replace(/\{subdom\}/, '<span style="color: #1b8100; font-weight: bold;">' + resp[2] + '</span>');
            rt.innerHTML = '<span style="color: #f00; font-weight: bold;">' + retText + '</span>';
            document.getElementById('IchSubDomain').value = '';
        }
      }
      
      if (resp[0] == 'chk_subdomain') {
        var rt = document.getElementById('chk_subDomRespText');
        switch (resp[1]) {
          case 'true' :
            rt.innerHTML = '<span style="color: #1b8100; font-weight: bold;">Home page address is available</span>';
            document.getElementById('hide_ex_pay').style.display = 'block';
          break;
          case 'false': 
            rt.innerHTML = '<span style="color: #f00; font-weight: bold;">Such home page address already exists. Please choose another.</span>';
            document.getElementById('hide_ex_pay').style.display = 'none';
        }
      }
      
      if (resp[0] == 'register_subdomain') {
        var rt = document.getElementById('subDomRespText');
        if (resp[1] == 'true') {
          window.location.reload();
        } else {
          rt.innerHTML = 'Registration error';
        }
      }
      
      if (resp[0] == 'pay_per_page') {
        var rt = document.getElementById('td_pay_btn['+resp[2]+']');
        if (resp[1] == 'ok') {
          window.location = '?id=my_pages&subid=my_pages&publish=' + resp[2];
        } else if (resp[1] == 'redir') {
          window.location = resp[2];
        } else {
          rt.innerHTML = resp[1];
        }
      }
      // send to buy points if not enough

      if (resp[0] == 'pay_per_extras') {
        //var rt = document.getElementById('td_payex_btn['+resp[2]+']');
        if (resp[1] == 'ok') {
          window.location.reload();
        } else if (resp[1] == 'redir') {
          window.location = resp[2];
        } else {
          //rt.innerHTML = resp[1];
          alert(resp[1]);
        }
      }
      
      if (resp[0] == 'buy_page') {
        var rt = document.getElementById('td_buy_btn');
        if (resp[1] == 'ok') {
          window.location.reload();
        } else if (resp[1] == 'redir') {
          window.location = resp[2];
        } else {
          rt.innerHTML = resp[1];
        }
      }

      if (resp[0] == 'pay_order') {
        if (resp[1] == 'ok') {
          window.location.reload();
        } else if (resp[1] == 'redir') {
          window.location = resp[2];
        }
      }
      
      if (resp[0] == 'reset_ex_sub_texts') {
        if (resp[1] == 'ok') {
          window.location.reload();
        }
      }
      
      if (resp[0] == 'post_new_order' || resp[0] == 'post_new_ban' || resp[0] == 'post_new_pdwn' || resp[0] == 'post_new_adddom') {
        if (resp[1] == 'ok') {
          window.location.reload();
        }
      }
      
      if (resp[0] == 'cancel_order') {
        if (resp[1] == 'ok') {
          window.location.reload();
        }
      }
      
      if (resp[0] == 'rem_unp_extra') {
        if (resp[1] == 'ok') {
          window.location.reload();
        }
      }
      
      if (resp[0] == 'pay_per_sd') {
        var rt = document.getElementById('td_paysd_btn['+resp[2]+']');
        if (resp[1] == 'ok') {
          window.location.reload();
        } else if (resp[1] == 'redir') {
          window.location = resp[2];
        } else {
          rt.innerHTML = resp[1];
        }
      }
      
      if (resp[0] == 'my_pages_to_payment') {
        window.location = '?id=payment';
      }
      
      if (resp[0] == 'delusr') {
        if (resp[1] == 'ok') {
          window.location = 'http://777hp.com';
        } else {
          document.getElementById('duRespTxt').innerHTML = 'Wrong password';
        }
      }
      
      if (resp[0] == 'delproj') {
        if (resp[1] == 'ok') {
          window.location = resp[2];
        } else {
          document.getElementById('dpRespTxt').innerHTML = 'Wrong password';
        }
      }
      
      if (resp[0] == 'delgal') {
        if (resp[1] == 'ok') {
          window.location.href = '?id=my_pages&subid=extras&sbid=gallery';
        } else {
          document.getElementById('dgRespTxt').innerHTML = 'Wrong password';
        }
      }

      if (resp[0] == 'chat_save_msg') {
        if (resp[1] == 'ok') {
          chat_refresh(resp[2]);
        }
      }
      
      if (resp[0] == 'chat_refresh') {
        if (resp[1] == 'ok') {
          gId('chat_wnd').innerHTML = resp[2];
        } else {
          gId('chat_wnd').innerHTML = '';
        }
      }
      
      if (resp[0] == 'add_sect') {
        gId('sAddBtn').innerHTML = '<input id="btn_add" type="button" onclick="add_sect(' + resp[4] + ')" value="Save"/>';
        if (resp[1] == 'ok') {
          gId('div_sects').innerHTML += '<a class="mys_link" href="javascript:;" onclick="o_show_pg(this, ' + resp[5] + ',' + resp[2] + ')">' + resp[3] + '</a>';
        } else if (resp[1] == 'max reached') {
          alert('You cannot add more sections, because you have reached section limit for this template.');
        }
      }
      
      if (resp[0] == 'order_save_txt') {
        if (resp[1] == 'ok') {
          alert('Teksts saglabāts');
          gId('spn_od_txt').innerHTML = '<input type="button" onclick="save_od_txt();" value="Save" />';
        }
      }
      
      if (resp[0] == 'saveFH') {
        if (resp[1] == 'ok') {
          alert('Data saved');
          gId(resp[2]).innerHTML = '<input type="button" onclick="javascript:saveFCKs(this);" value="Save"/>';
        }
      }
      
      if (resp[0] == 'regpartner') {
        if (resp[1] == 'ok') {
          window.location.reload();
        } else {
          gId('regpartmsg').innerHTML = resp[1];
          gId('regpartans').innerHTML = '<input type="submit" onclick="regpartner();" value="Register"/>';
        }
      }

      if (resp[0] == 'forgpass') {
        if (resp[1] == 'ok') {
          window.location.reload();
        } else {
          gId('forgpassmsg').innerHTML = resp[1];
          gId('forgpassans').innerHTML = '<input type="submit" onclick="forgpass();" value="Send"/>';
        }
      }
      
      if (resp[0] == 'gallery_active') {  
        if (resp[1] == 'ok') {
          if (resp[2] == '1') {
            gId('aloa1').innerHTML = '';
            alert('Gallery active (visible in internet)');
          } else {
            gId('aloa2').innerHTML = '';
            alert('Gallery inactive (not visible in internet)');
          }
        }
        else if (resp[1] == 'err') {
        	document.location.reload();
        }
      }

      if (resp[0] == 'save_part_curr') {
        if (resp[1] == 'ok') {
          gId('aload').innerHTML = '';
        }
      }
      
      if (resp[0] == 'banklink') {
      	startBLproc(resp);
      }
      
      if (resp[0] == 'getrefers') {
        var row = rtable.insertRow(t_row.parentNode.rowIndex + 1);
        var cell = row.insertCell(0);
        cell.colSpan = 5;
        cell.innerHTML = resp[1];
        cell.style.padding = '0px';
        
        opcl(cell.firstChild);
        rtable.rows[t_row.parentNode.rowIndex].cells[rtable.rows[t_row.parentNode.rowIndex].cells.length-1].innerHTML = '&nbsp;';
      }
      
		}
		if (xmlHttp.status != 200) alert('Error');
		// atceļ inProgress, lai dotu brīvu vietu nākošajam ajaxam
		inProgress = false;
	}
}