COL, COLGROUP | NN n/a IE 4 DOM n/a
The COL object reflects the COL element; the COLGROUP object reflects the COLGROUP element. Both elements provide ways of assigning multiple adjacent columns to groups for convenience in assigning styles, widths, and other visual treatments.
HTML Equivalent
    <COL>
    <COLGROUP>
Object Model Reference
IE | [window.]document.all.elementID

align | NN n/a IE 4 DOM n/a
| Read/Write
Defines the horizontal alignment of content within cells covered by the COL or COLGROUP element.
Example
    document.all.myCol.align = "center"
Value Any of the three horizontal alignment constants: center | left | right.
Default | left

span | NN n/a IE 4 DOM n/a
| Read/Write
The number of adjacent columns for which the element's attribute and style settings apply.
Example
    document.all.myColgroup.span = 2
Value Positive integer.
Default | 1

vAlign | NN n/a IE 4 DOM n/a
| Read/Write
The manner of vertical alignment of text within the column grouping's cells.
Example
    document.all.myCol.vAlign = "baseline"
Value Case-insensitive constant (as a string): baseline | bottom | middle | top.
Default | middle

width | NN n/a IE 4 DOM n/a
| Read/Write
The width in pixels of each column of the column grouping. Changes to these values are immediately reflected in reflowed content on the page.
Example
    document.all.myColgroup.width = 150
Value Integer.
Default | None.