function showArrivalParams()
{
	var dd = document.getElementById("searchDepartureDiv");
	dd.style.display = "none";
	var da = document.getElementById("searchArrivalDiv");
	da.style.display = "";	

			
}
function showDerpartureParams()
{

	var da = document.getElementById("searchArrivalDiv");
	da.style.display = "none";
	var dd = document.getElementById("searchDepartureDiv");
	dd.style.display = "";	



}