function submit_form() {
	var obj = document.forms['subscribe_form'];
	if(obj.firstname.value=='' || obj.lastname.value=='' || obj.email.value=='')
		alert('U??pildykite visus laukus');
	else obj.submit();
}

function submit_form_duk() {
	var obj = document.forms['send_quest'];
	if(obj.email.value=='' || obj.question.value=='') {
		alert('U??pildykite visus laukus');
		return false;
	}
	else return true;
}

function submitSearchForm() {
	var obj = document.forms['search'];
	action = obj.action.value + ',key.' + obj.key.value;
	window.location = action;
	
}
function change_password() {
	obj = document.forms['user_data'];
	if(obj.change_psw.checked) {
		obj.password.disabled = false; 
		obj.password_confirm.disabled = false; 
		obj.old_password.disabled = false;
	}
	else {
		obj.password.disabled = true;
		obj.password_confirm.disabled = true;
		obj.old_password.disabled = true;
	}
}