function check_text(textGroup,fldname) {
    if (!textGroup.value) {
        alert(fldname + " is required! (please enter a value)");
        //window.location = "#" + fldname;
        textGroup.focus();
        return (false);
	}
    return (true);
}

function validate_input(pform) {
    if (!check_text(pform.cname, "Name")) {return (false);}
    if (!check_text(pform.email, "Email address")) {return (false);}
    if (!check_text(pform.comments, "Comments")) {return (false);}
    return (true);
}

function checkLoginForm(loginForm){
	if(!loginForm.username.value) {
		alert("Username required.");
		loginForm.username.focus();
	} else if(!loginForm.passwd.value) {
		alert("Password required.");
		loginForm.passwd.focus();
	} else {
		loginForm.submit();
	}
}