function submit_search()
{
	var q = document.fsearch.q.value;
	if (q == '') 
	{
		alert('Keyword must be filled!');
		document.fsearch.q.focus();
		return false;
	}
	q = encodeURIComponent(q); 
	q = q.replace(/%20/gi,"+");
	document.fsearch.action += '?q='+q;
	return true;
}