js implementation code for setting the style of selected rows_javascript skills

//Set the selected row style.
function SetSelectTrClass(seltr, selclass, unselclass) {
var thetable = seltr.parentElement;
//i starts from 1 because the style of the column name remains unchanged
for (var i = 1; i < thetable.rows.length; i ) {
var tr = thetable.rows[i];
tr.className = unselclass;
}
seltr.className = selclass;
}