function CheckAllDataGridCheckBoxes(gridId, checkBoxId, value) {

    gridId = gridId.replace(/\$/g, "\\$");
    
    re = new RegExp('^' + gridId + '.*?' + checkBoxId + '$');

    for(i = 0; i < document.forms[0].elements.length; i++) {
        elm = document.forms[0].elements[i];

        if (elm.type == 'checkbox') {
            if (re.test(elm.name) && elm.disabled == false) {

                elm.checked = value;

            }
        }
    }
}