@mixin extjs-layout {
     /*
      * Dock Layouts
      * @todo move this somewhere else?
      */
    .#{$prefix}docked {
        position: absolute !important;
        z-index: 1;
    }

    .#{$prefix}docked-top {
        border-bottom-width: 0 !important;
    }

    .#{$prefix}docked-bottom {
        border-top-width: 0 !important;
    }

    .#{$prefix}docked-left {
        border-right-width: 0 !important;
    }

    .#{$prefix}docked-right {
        border-left-width: 0 !important;
    }

    .#{$prefix}docked-noborder-top {
        border-top-width: 0 !important;
    }

    .#{$prefix}docked-noborder-right {
        border-right-width: 0 !important;
    }

    .#{$prefix}docked-noborder-bottom {
        border-bottom-width: 0 !important;
    }

    .#{$prefix}docked-noborder-left {
        border-left-width: 0 !important;
    }

    .#{$prefix}box-inner {
        overflow:hidden;

        zoom:1;

        position:relative;
        left:0;
        top:0;
    }

    .#{$prefix}box-item {
        position:absolute !important;
        left:0;
        top:0;
    }

    .#{$prefix}rtl .#{$prefix}box-item {
        right: 0;
        left: auto;
    }

    .#{$prefix}box-layout-ct,
    .#{$prefix}border-layout-ct {
        overflow: hidden;
        zoom: 1;
    }

    .#{$prefix}border-layout-ct {
        background-color: $border-layout-ct-background;
        position: relative;
    }

    .#{$prefix}overflow-hidden {
        overflow:hidden !important;
    }

    .#{$prefix}inline-children > * {
        display: inline-block !important;
    }

    .#{$prefix}abs-layout-ct {
        position: relative;
    }

    .#{$prefix}abs-layout-item {
        position: absolute !important;
    }

    .#{$prefix}fit-item {
        position: relative;
    }

    .#{$prefix}border-region-slide-in {
        z-index: 5;
    }

    .#{$prefix}region-collapsed-placeholder {
        z-index: 4;
    }

    .#{$prefix}accordion-hd .#{$prefix}panel-header-text {
        color: $accordion-header-color;
        font-weight: normal;
    }

    .#{$prefix}accordion-hd {
        .#{$prefix}tool-collapse-top,
        .#{$prefix}tool-collapse-right,
        .#{$prefix}tool-collapse-bottom,
        .#{$prefix}tool-collapse-left {
            background-position: 0 -255px;
        }

        .#{$prefix}tool-expand-top,
        .#{$prefix}tool-expand-right,
        .#{$prefix}tool-expand-bottom,
        .#{$prefix}tool-expand-left {
            background-position: 0 -240px;
        }

        .#{$prefix}tool-over {
            .#{$prefix}tool-collapse-top,
            .#{$prefix}tool-collapse-right,
            .#{$prefix}tool-collapse-bottom,
            .#{$prefix}tool-collapse-left {
                background-position: -15px -255px;
            }
        }

        .#{$prefix}tool-over {
            .#{$prefix}tool-expand-top,
            .#{$prefix}tool-expand-right,
            .#{$prefix}tool-expand-bottom,
            .#{$prefix}tool-expand-left {
                background-position: -15px -240px;
            }
        }

        background: $accordion-header-background-color !important;
        @include single-box-shadow($accordion-header-background-color, 0, 0, 0, 0, true);
    }

    .#{$prefix}accordion-hd {
        border-width: 1px 0 1px 0 !important;
        padding: 4px 5px 5px 5px;
        border-top-color: $panel-header-inner-border-color !important;
    }

    .#{$prefix}accordion-body {
        border-width: 0 !important;
    }

    .#{$prefix}accordion-hd-sibling-expanded {
        border-top-color: $panel-border-color !important;
        @include single-box-shadow($panel-header-inner-border-color, 0, 1px, 0, 0, true);
    }

    .#{$prefix}accordion-hd-last-collapsed {
        border-bottom-color: $accordion-header-background-color !important;
    }

    .#{$prefix}frame-tl,
    .#{$prefix}frame-tr,
    .#{$prefix}frame-tc,
    .#{$prefix}frame-bl,
    .#{$prefix}frame-br,
    .#{$prefix}frame-bc {
        overflow: hidden;
        background-repeat: no-repeat;
    }

    .#{$prefix}frame-tc,
    .#{$prefix}frame-bc {
        background-repeat: repeat-x;
    }

    .#{$prefix}frame-mc {
        position: relative;
        background-repeat: repeat-x;
        overflow: hidden;
    }

    // Classes for horizontal Box layout scroller.
    // Uses the *TAB* scroller image because it's all we have.
    // This will not work well in other cases
    .#{$prefix}box-scroller-left {
        float: left;
        height: 100%;

        z-index: 5;

        .#{$prefix}toolbar-scroll-left,
        .#{$prefix}tabbar-scroll-left {
            width: 18px;
            position: relative;
            cursor: pointer;
            height: $tab-height;
            background: transparent no-repeat -18px 0;
            background-image: theme-background-image($theme-name, 'tab-bar/scroll-left.gif');
        }
        .#{$prefix}toolbar-scroll-left-hover {
            background-position: 0 0;
        }
        .#{$prefix}toolbar-scroll-left-disabled,
        .#{$prefix}tabbar-scroll-left-disabled {
            background-position: -18px 0;
            @include opacity(.5);

            cursor:default;
        }

        .#{$prefix}toolbar-scroll-left {
            background-image: theme-background-image($theme-name, 'toolbar/scroll-left.gif');
            background-position: -14px 0;
        }
        .#{$prefix}toolbar-scroll-left-hover {
            background-position: 0 0;
        }
        .#{$prefix}toolbar-scroll-left-disabled {
            background-position: -14px 0;
        }

        .#{$prefix}toolbar-scroll-left {
            width: 14px;
            height: 22px;

            border-bottom: 1px solid #8db2e3;
        }
    }

    .#{$prefix}horizontal-box-overflow-body {
        float: left;
    }
    .#{$prefix}box-scroller-right {
        float: right;
        height: 100%;

        z-index: 5;

        .#{$prefix}toolbar-scroll-right,
        .#{$prefix}tabbar-scroll-right {
            width: 18px;
            position: relative;
            cursor: pointer;
            height: $tab-height;
            background: transparent no-repeat 0 0;
            background-image: theme-background-image($theme-name, 'tab-bar/scroll-right.gif');
        }
        .#{$prefix}toolbar-scroll-right-hover {
            background-position: -18px 0;
        }
        .#{$prefix}toolbar-scroll-right-disabled,
        .#{$prefix}tabbar-scroll-right-disabled {
            background-position: 0 0;
            @include opacity(.5);

            cursor:default;
        }

        .#{$prefix}toolbar-scroll-right {
            background-image: theme-background-image($theme-name, 'toolbar/scroll-right.gif');
        }
        .#{$prefix}toolbar-scroll-right-hover {
            background-position: -14px 0;
        }
        .#{$prefix}toolbar-scroll-right-disabled {
            background-position: 0 0;
        }

        .#{$prefix}toolbar-scroll-right {
            width: 14px;
            height: 22px;

            border-bottom: 1px solid #8db2e3;
        }
    }

// Classes for vertical Box layout scroller
    .#{$prefix}box-scroller-top {
        .#{$prefix}box-scroller {
            line-height: 0;
            font-size: 0;
        }
        .#{$prefix}menu-scroll-top {
            background: transparent no-repeat center center;
            background-image: theme-background-image($theme-name, 'layout/mini-top.gif');
            height: 8px;
            cursor: pointer;
        }
    }
    .#{$prefix}box-scroller-bottom {
        .#{$prefix}box-scroller {
            line-height: 0;
            font-size: 0;
        }
        .#{$prefix}menu-scroll-bottom {
            background: transparent no-repeat center center;
            background-image: theme-background-image($theme-name, 'layout/mini-bottom.gif');
            height: 8px;
            cursor: pointer;
        }
    }

    .#{$prefix}box-menu-right {
        float: right;
        padding-right: $toolbar-horizontal-spacing;
    }

    .#{$prefix}column {
        float: left;
    }
    @if $include-ie {
        .#{$prefix}ie6 .#{$prefix}column {
            display: inline; /*prevent IE6 double-margin bug*/
        }

        .#{$prefix}quirks .#{$prefix}ie .#{$prefix}form-layout-table, .#{$prefix}quirks .#{$prefix}ie .#{$prefix}form-layout-table tbody tr.#{$prefix}form-item {
            position: relative;
        }
    }
}