var update;

function updateResults() {
	$('downloadsearchresults').setOpacity(0.2);
	try {
		window.clearTimeout(update);
	} catch (e) {
	}
	update = window.setTimeout('doUpdateResults()', 400);
}

function doUpdateResults() {

	new Ajax.Request(
			$('searchForm').action, 
			{
				parameters: $('searchForm').serialize(),
				onComplete: function(r) {
					$('downloadsearchresults').replace(r.responseText);
				}
			}
	);
}

function setup(cal){
	cal.cfg.setProperty("DATE_FIELD_DELIMITER", ".");

	cal.cfg.setProperty("MDY_DAY_POSITION", 1);
	cal.cfg.setProperty("MDY_MONTH_POSITION", 2);
	cal.cfg.setProperty("MDY_YEAR_POSITION", 3);
	
	cal.cfg.setProperty("MD_DAY_POSITION", 1);
	cal.cfg.setProperty("MD_MONTH_POSITION", 2);
	
	// Date labels for German locale
	cal.cfg.setProperty("MONTHS_SHORT",   ["Jan", "Feb", "M\u00E4r", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dez"]);
	cal.cfg.setProperty("MONTHS_LONG",    ["Januar", "Februar", "M\u00E4rz", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"]);
	cal.cfg.setProperty("WEEKDAYS_1CHAR", ["S", "M", "D", "M", "D", "F", "S"]);
	cal.cfg.setProperty("WEEKDAYS_SHORT", ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"]);
	cal.cfg.setProperty("WEEKDAYS_MEDIUM",["Son", "Mon", "Die", "Mit", "Don", "Fre", "Sam"]);
	cal.cfg.setProperty("WEEKDAYS_LONG",  ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"]);
}


function addStartDate(type,args,obj)
{
	var datedata = args[0][0];
	var year = datedata[0];
  	var month = datedata[1];
  	var day = datedata[2];

  	obj.hide();

	$("startField").value = day+'.'+month+'.'+year;
}
		
function addEndDate(type,args,obj)
{
	var datedata = args[0][0];
  	var year = datedata[0];
  	var month = datedata[1];
  	var day = datedata[2];
  
  	obj.hide();

  	$("endField").value = day+'.'+month+'.'+year;
}


init = function() 
{
	if ($("startField")) {
		//initialisiere Anfangsdatum kalender
		calStart = new YAHOO.widget.Calendar("calStart","calStartDiv");
		setup(calStart);
		calStart.render();
		calStart.hide();
	
			
		YAHOO.util.Event.addListener("calStartButton", "click", calStart.show, calStart, true);
		calStart.selectEvent.subscribe(addStartDate, calStart);
	}

		
	if ($('endField')) {
		//initialisiere enddatum kalender
		calEnd = new YAHOO.widget.Calendar("calEnd","calEndDiv");
		setup(calEnd);
		calEnd.render();
		calEnd.hide();
				
		YAHOO.util.Event.addListener("calEndButton", "click", calEnd.show, calEnd, true);
		calEnd.selectEvent.subscribe(addEndDate, calEnd);
	}

	$('search').observe('keyup', updateResults);
}
YAHOO.util.Event.onDOMReady(init);