function goPage(_page)
{
	document.crits.thisPage.value = _page;
	cleanForm();
	document.crits.submit();
}
function submitHandler()
{
	document.crits.thisPage.value = 1;
	cleanForm();
	return true;
}
function cleanForm()
{
	document.crits.busqueda.value = trim(document.crits.busqueda.value);
	document.crits.Author.value = trim(document.crits.Author.value);
	document.crits.NewsOrigin.value = trim(document.crits.NewsOrigin.value);
	document.crits.yearFrom.value = trim(document.crits.yearFrom.value);
	document.crits.yearTo.value = trim(document.crits.yearTo.value);

	if ( isNaN( document.crits.yearFrom.value ) && document.crits.yearFrom.value.length > 0 )
		document.crits.yearFrom.value = '';

	if ( isNaN( document.crits.yearTo.value ) && document.crits.yearTo.value.length > 0 )
		document.crits.yearTo.value = '';

	if ( document.crits.yearFrom.value.length == 0 )
		document.crits.monthFrom.options[0].selected = true;

	if ( document.crits.yearTo.value.length == 0 )
		document.crits.monthTo.options[0].selected = true;
}