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

function submit_form_duk() {
	var obj = document.forms['send_quest'];
	if(obj.email.value=='' || obj.question.value=='') {
		alert('Užpildykite 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 openImagePopup(url, width, height, extras){
	if (typeof(extras) == 'undefined')
		extras = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0';
	window.open(url, '', extras + ',width='+width+',height='+height);
}