function submitquery($filter)
{
	if (document.searchform.qu.value == "")
	{
		alert("Please enter search text.");
		return;
	}
	else
	{
		switch ($filter)
		{
			case "any": document.searchform.r[0].checked=true;break;
			case "all": document.searchform.r[1].checked=true;break;
			case "exact": document.searchform.r[2].checked=true;break;
			default:
			document.searchform.news.checked=false;
			document.searchform.journals.checked=false;
			document.searchform.blogs.checked=false;
			document.searchform.podcasts.checked=false;
			document.searchform.video.checked=false;
			document.searchform.events.checked=false;
			document.searchform.funding.checked=false;
			document.searchform.alerts.checked=false;
			document.searchform.clinicaltrials.checked=false;
			document.searchform.other.checked=false;
			//document.searchform.images.checked=false;
			//document.searchform.forums.checked=false;
			//document.searchform.books.checked=false;
			//document.searchform.jobs.checked=false;
			switch ($filter)
			{
				case "news": document.searchform.news.checked=true;break;
				case "journals": document.searchform.journals.checked=true;break;
				case "blogs": document.searchform.blogs.checked=true;break;
				case "podcasts": document.searchform.podcasts.checked=true;break;
				case "video": document.searchform.video.checked=true;break;
				case "events": document.searchform.events.checked=true;break;
				case "funding": document.searchform.funding.checked=true;break;
				case "alerts": document.searchform.alerts.checked=true;break;
				case "clinicaltrials": document.searchform.clinicaltrials.checked=true;break;
				case "other": document.searchform.other.checked=true;break;
				//case "images": document.searchform.images.checked=true;break;
				//case "forums": document.searchform.forums.checked=true;break;
				//case "books": document.searchform.books.checked=true;break;
				//case "jobs": document.searchform.jobs.checked=true;break;
			}
		}
		document.searchform.submit();
		return;
	}
}