static/ext/src/panel/Table.js
function() {
        var me = this;
        return me.lhsMarker || (me.lhsMarker = Ext.DomHelper.append(me.el, {
            cls: me.resizeMarkerCls
        }, true));
    }
function() {
        var me = this;
        return me.lhsMarker || (me.lhsMarker = Ext.DomHelper.append(me.el, {
            cls: me.resizeMarkerCls
        }, true));
    }
Gets left hand side marker for header resizing.
@private