SpreadSheet.prototype.unFrozen = function() {
setFrozen('temp', null, 'unfrozen');
};
SpreadSheet.prototype.colFrozen = function() {
setFrozen('temp', null, 'col');
};
SpreadSheet.prototype.rowFrozen = function() {
setFrozen('temp', null, 'row');
};
SpreadSheet.prototype.frozen = function(sheetId, point) {
setFrozen(sheetId, point);
};