function searchStations(){
	if(document.search.by.value == "By") 
		document.search.by.value = "";
		
	if(document.search.by.value != "") 
		document.search.noresult.value="noresult";
	else 
		document.search.noresult.value="";
	document.search.submit();
}

function checkReturn2() {
	if(document.all) {
		if(event.keyCode==13)
			searchStations();
		return true;
	}
	else
		return false;
}

function cityIn(){
	if(document.search.by.value == "By")
		document.search.by.value = "";
}

function cityOut(){
	if(document.search.by.value == "")
		document.search.by.value = "By";
}