function verifica_search ()
{
	if (document.getElementById("t").value=="")
	{
		alert("Please enter a search term.");
		return false;
	}
	else
	{
		return true;
	}
}

function submit_search ()
{
	if (verifica_search())
	{
		document.getElementById("searchform").submit();
	}
}

function PopupPic(sPicURL)
{
     window.open( "show_poza.php?"+sPicURL, "poza", "resizable=yes,scrollbars=yes,height=600,width=400");
}