_createCanvas = function(width, height) {
            var canvas = document.createElement('canvas');
            canvas.width = width;
            canvas.height = height;
            canvas.oncontextmenu = function() { return false; };
            canvas.onselectstart = function() { return false; };
            return canvas;
        }
Description
@method _createCanvas
@private
@param {} width
@param {} height
@return canvas