// JavaScript Document
function checkAll(frm_name) {
	var fields = document.forms[frm_name].getElementsByTagName('input');
	for (i = 0; i < fields.length; i++) {
		if (fields[i].type == 'checkbox') {
			fields[i].checked = true ;
		}
	}
}

function unCheckAll(frm_name) {
	var fields = document.forms[frm_name].getElementsByTagName('input');
	for (i = 0; i < fields.length; i++) {
		if (fields[i].type == 'checkbox') {
			fields[i].checked = false ;
		}
	}
}