function system_onload() {
	var f_U = new ControlGroup( controlDef );
	
	Event.observe("hinpNewSearch","click",startNewSearch.bind(this,f_U));

	f_U.checkAll();

	showAd();
}

function showAd() {
	$("ifrmTopBanner").src = "http://www.qunar.com/site/adframe/banner_flight.htm";
}

function startNewSearch(f_U) {
	Event.fire(System,"beforeSearch");
	f_bD = doSearch.bind(this,f_U);
	Event.observe(f_U,"checkpassed",f_bD);
	Event.observe(f_U,"checkfailed",null);
	f_U.checkAll();
}

function doSearch(f_U) {
	Event.stopObserving(f_U,"checkpassed",f_bD);
	var f_aW = System.constant.SEARCH_URL + "?"+f_U.serialize()+"&_VTYPE=map";
	window.open(f_aW);
}

function system_onunload() {
}