function CheckAll(fmobj) {
    for (var i=0;i<fmobj.elements.length;i++) {
	var e = fmobj.elements[i];
	if (  (e.type=='checkbox') && (!e.disabled) ) {
	    e.checked = true;
	}
    }
    document.Form1.submit();
}

function UnCheckAll(fmobj) {
    for (var i=0;i<fmobj.elements.length;i++) {
	var e = fmobj.elements[i];
	if (  (e.type=='checkbox') && (!e.disabled) ) {
	    e.checked = false;
	}
    }
    document.Form1.submit();
}