/* -----------------------------------------------------------------------------------------

   $Id: jscript_ajax_cart.js 899 2007-06-30 20:14:56 VaM $   



   VaM Shop - open source ecommerce solution

   http://vamshop.ru
   http://vamshop.com



   Copyright (c) 2007 VaM Shop

   -----------------------------------------------------------------------------------------

   based on: 

   (c) 2006	 Andrew Weretennikoff (ajax_sc.js,v 1.1 2007/03/17); medreces@yandex.ru 



   Released under the GNU General Public License

   ---------------------------------------------------------------------------------------*/

SHOW_ADDED = 1; // set 0 if you no need show
Offset_X = -10;

Offset_Y = -30;

function addHandler(object, event, handler) { // Thanks xpoint.ru!

  if (typeof object.addEventListener != 'undefined')

    object.addEventListener(event, handler, false);

  else if (typeof object.attachEvent != 'undefined')

    object.attachEvent('on' + event, handler);

  else {

    var handlersProp = '_handlerStack_' + event;

    var eventProp = 'on' + event;

    if (typeof object[handlersProp] == 'undefined') {

      object[handlersProp] = [];

      if (typeof object[eventProp] != 'undefined')

        object[handlersProp].push(object[eventProp]);

      object[eventProp] = function(e) {

        var ret = true;

        for (var i = 0; ret != false && i < object[handlersProp].length; i++)

          ret = object[handlersProp][i](e);

        return ret;

    } }

    object[handlersProp].push(handler);

} }

function removeHandler(object, event, handler) { // Thanks xpoint.ru!

  if (typeof object.removeEventListener != 'undefined')

    object.removeEventListener(event, handler, false);

  else if (typeof object.detachEvent != 'undefined')

    object.detachEvent('on' + event, handler);

  else {

    var handlersProp = '_handlerStack_' + event;

    if (typeof object[handlersProp] != 'undefined') {

      for (var i = 0; i < object[handlersProp].length; i++) {

        if (object[handlersProp][i] == handler) {

          object[handlersProp].splice(i, 1);

          return;

} } } } }



var x, y;

var loadingImage = new Image();

var okImage = new Image();

loadingImage.src = "images/loading.gif";

okImage.src = "images/ok.gif";



if (window.opera || (navigator.userAgent.indexOf('MSIE') > -1)) { //IE + Opera

  getM_x = function () { return event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)) || 0;}

  getM_y = function () { return event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)) || 0;}

} else { // Mozilla

  addHandler(document, 'mousemove', function(e) {

    x = e.pageX;

    y = e.pageY;

  });

  getM_x = function () { return x; }

  getM_y = function () { return y; }

}

function showOk() {

  var imgLoading = document.getElementById("_loading_");

  with (imgLoading) {

    src = okImage.src;

    style.visibility = "visible";

} }



function hideOk() {

  if(document.getElementById("_loading_")) document.getElementById('_loading_').style.visibility = "hidden";

  removeHandler(document, 'mousemove', hideOk);

}

function showLoading() {

  var imgLoading = document.getElementById("_loading_");

  if(!imgLoading) {

    imgLoading = document.createElement("img");

    with(imgLoading) {

      id = "_loading_";

      style.position = "absolute";

      style.visibility = "hidden";

    }

    document.body.appendChild(imgLoading);

  }

  with(imgLoading) {

    src = loadingImage.src;

    style.left = (getM_x() + Offset_X) + "px";

    style.top = (getM_y() + Offset_Y) + "px";

    style.visibility = "visible";

} }

function hideLoading() {

  if(document.getElementById("_loading_")) document.getElementById("_loading_").style.visibility = "hidden";

}



function doBuyNowGet( link ) {

  showLoading();

  var reqAddCart = new JsHttpRequest();

  reqAddCart.onreadystatechange = function() {

    if (reqAddCart.readyState == 4) {

      if (reqAddCart.responseJS) {

        document.location.href = reqAddCart.responseJS.ajax_redirect;

        return;

      }

      else {

        document.getElementById('divShoppingCart').innerHTML = ''+(reqAddCart.responseText||'')+'';

        hideLoading();

        if ( SHOW_ADDED ) {

          showOk();

          timerID = setTimeout( "addHandler(document, \'mousemove\', hideOk)", 500);

        }

      }

    }

  }

  reqAddCart.caching = false;

  reqAddCart.open('GET', link, true);

  reqAddCart.send(null);

}



function doAddProduct(form) {

  showLoading();

  var reqAddCart = new JsHttpRequest();

  reqAddCart.onreadystatechange = function() {

    if (reqAddCart.readyState == 4) {

      if (reqAddCart.responseJS) {

        document.location.href = reqAddCart.responseJS.ajax_redirect;

        return;

      }

      else {

        document.getElementById('divShoppingCart').innerHTML = ''+(reqAddCart.responseText||'')+''

        if ( SHOW_ADDED ) {

          showOk();

          timerID = setTimeout( "addHandler(document, \'mousemove\', hideOk)", 500);

        }

      }

    }

  }

// собираем все элементы формы:

  var senddata = new Object();

  var fe = form.elements;

  for(var i=0 ; i<fe.length ; i++) {

    if ( fe[i].type=="radio" || fe[i].type=="checkbox" ) {

      if ( fe[i].checked ) senddata[fe[i].name] = fe[i].value;

    } else {

      senddata[fe[i].name] = fe[i].value;

    }

  }

  var url = 'ajax_shopping_cart.php?' + ( senddata.products_id ? 'products_id='+senddata.products_id+'&' : "" ) + ( senddata.products_qty ? '&products_qty='+senddata.products_qty+'&' : "" ) + ( senddata.id ? '&id='+senddata.id+'&' : "" ) + 'action=add_product';



  reqAddCart.caching = false;

  reqAddCart.open( 'GET', url, true);

  reqAddCart.send( senddata );

  return false;

}


function doDelProduct(form) {
  showLoading();
  var reqAddCart = new JsHttpRequest();
  reqAddCart.onreadystatechange = function() {
    if (reqAddCart.readyState == 4) {
      if (reqAddCart.responseJS) {
        document.location.href = reqAddCart.responseJS.ajax_redirect;
        return;
      }
      else {
        document.getElementById('divShoppingCart').innerHTML = ''+(reqAddCart.responseText||'')+''
        if ( SHOW_ADDED ) {
          showOk();
          timerID = setTimeout( "addHandler(document, \'mousemove\', hideOk)", 500);
        }
      }
    }
  }

  var senddata = new Object();
  var fe = form.elements;
  for(var i=0 ; i<fe.length ; i++) {

    if ( fe[i].type=="hidden" ) {
      senddata[fe[i].name] = fe[i].value;
    }
  }
  var url = 'ajax_shopping_cart.php?' + ( senddata["products_id[]"] ? 'products_id[]='+senddata["products_id[]"]+'&' : "" ) + ( senddata["old_qty[]"] ? '&old_qty[]='+senddata["old_qty[]"]+'&' : "" ) + ( senddata["cart_quantity[]"] ? '&cart_quantity[]='+senddata["cart_quantity[]"]+'&' : "" ) + ( senddata["cart_delete[]"] ? '&cart_delete[]='+senddata["cart_delete[]"]+'&' : "" ) + 'action=update_product';

  reqAddCart.caching = false;
  reqAddCart.open( 'GET', url, true);
  reqAddCart.send( senddata );
  return false;
}



function ReviewsPage(page,products_id) {

  showLoading();

  var reqAddCart = new JsHttpRequest();

  reqAddCart.onreadystatechange = function() {

    if (reqAddCart.readyState == 4) {

      if (reqAddCart.responseJS) {

        document.location.href = reqAddCart.responseJS.ajax_redirect;

        return;

      }

      else {

        document.getElementById('divReviews').innerHTML = ''+(reqAddCart.responseText||'')+''

		

        if ( SHOW_ADDED ) {

          showOk();

          timerID = setTimeout( "addHandler(document, \'mousemove\', hideOk)", 500);

        }

      }

    }

  }



  var senddata = new Object();

  var url = 'ajax_reviews_page.php?page=' + page + '&products_id=' + products_id + '&type=ajax';



  reqAddCart.caching = false;

  reqAddCart.open( 'GET', url, true);

  reqAddCart.send( senddata );

  return false;

}