function BxPmtCart(oOptions) {    
    this._sActionsUrl = oOptions.sActionUrl;
    this._sObjName = oOptions.sObjName == undefined ? 'oPmtCart' : oOptions.sObjName;
    this._sAnimationEffect = oOptions.sAnimationEffect == undefined ? 'fade' : oOptions.sAnimationEffect;
    this._iAnimationSpeed = oOptions.iAnimationSpeed == undefined ? 'slow' : oOptions.iAnimationSpeed;
}
BxPmtCart.prototype.addToCart = function(iVendorId, iModuleId, iItemId, iItemCount) {
    var oDate = new Date();
    var $this = this;

    $.post(
        this._sActionsUrl + 'act_add_to_cart/' + iVendorId + '/' + iModuleId + '/' + iItemId + '/' + iItemCount + '/',
        {
            _t:oDate.getTime()
        },
        function(oData){
            if(oData.code == 0) {
                $('#pmt-tbar-total-quantity').html(oData.total_quantity);
                $('#pmt-tbar-content').replaceWith(oData.content);
            }
            alert(oData.message);
        },
        'json'
    );
}
/**
 * Isn't used yet.
 */
BxPmtCart.prototype.deleteFromCart = function(iVendorId, iModuleId, iItemId) {
    var oDate = new Date();
    var $this = this;

    $.post(
        this._sActionsUrl + 'act_delete_from_cart/' + iVendorId + '/' + iModuleId + '/' + iItemId,
        {
            _t:oDate.getTime()
        },
        function(oData) {
            alert(oData.message);

            if(oData.code == 0) {
                $('#item-' + iVendorId + '-' + iModuleId + '-' + iItemId).bx_anim(
                    'hide', 
                    $this._sAnimationEffect, 
                    $this._iAnimationSpeed, 
                    function() {
                        $(this).remove();
                    }
                );
            }
        },
        'json'
    );
}
/**
 * Isn't used yet.
 */
BxPmtCart.prototype.emptyCart = function(iVendorId) {
    var oDate = new Date();
    var $this = this;    

    $.post(
        this._sActionsUrl + 'act_empty_cart/' + iVendorId,
        {
            _t:oDate.getTime()
        },
        function(oData){
            if(oData.code == 0) {
                //TODO: delete vendor from vendors's list in the cart
            }
            alert(oData.message);
        },
        'json'
    );
}
BxPmtCart.prototype.toggle = function(oDiv) {
    $(oDiv).parent('.pmt-box-cpt').next('.pmt-box-cnt').bx_anim('toggle', 'slide', this._iAnimationSpeed, function() {
        $(oDiv).css('background-position', '0px ' + ($(this).is(':hidden') ? '-16' : '0') + 'px');
    });    
}