$("#changeparams_brand").change(function(){
	var str = $("#changeparams_brand option:selected").val();
	var model = document.URL.match(/model=[^\/]*/);
	url = "/usedcars/getform/form=model/brand="+str+"/"+model;
	$("#changeparams_model").load(url);
}).change();

$("#changeparams_large_area").change(function(){
	var str = $("#changeparams_large_area option:selected").val();
	var pref = document.URL.match(/pref=[^\/]*/);
	url = "/usedcars/getform/form=pref/large_area="+str
	if (pref) {
		url += "/"+pref;
	}
	$("#changeparams_pref").load(url);
}).change();

function fill_large_area() {
	var url = document.URL.match(/large_area=([^\/]*)/);
	var pref = document.URL.match(/pref=([^\/]*)/);
	if (! url) {
	}
	if ((url === null || url[1] === null) && (pref !== null && pref[1] !== null)) {
		window.alert();
		$("#changeparams_large_area").load("/usedcars/getform/form=large_area/"+pref[0]);
	}
}
fill_large_area();