setStyle

sets a style for a cell

void setStyle(number row,number column,object style, [string page] );

row	number	the row number
column	number	the column number
style	object	an object with the style that should be set for the cell
page	string	optional, the name of the sheet

$$("ssheet").setStyle(3, 2, style, "Sheet1");

Details

Note that you can only set the style that already exists. It means that you need: