function categoryChange(category){
	var obj;

	for(var i=1; i<=7; i++){
		obj	= document.getElementById("category_tap_" + i);
		obj.src	= obj.src.replace("o.jpg", ".jpg");
	}

	if(category){
		obj	= document.getElementById("category_tap_" + category);
		obj.src	= obj.src.replace(".jpg", "o.jpg");
		try{
			document.getElementById("category").value = category;
			document.getElementById("category").reInitializeSelectBox();
		}catch(e){ }
		document.searchForm.action	= "rate_0" + category + ".php";
	}
}

function searchSubmit(frm){
	if(frm.category.value == ""){
		alert("매물 종류를 선택하세요.");
		frm.category.focus();
		return false;
	}else
	if(frm.sido.value == ""){
		alert("시를 선택하세요.");
		frm.sido.focus();
		return false;
	}else
	if(frm.gugun.value == ""){
		alert("구를 선택하세요.");
		frm.gugun.focus();
		return false;
	}else
	if(frm.dong.value == ""){
		alert("동을 선택하세요.");
		frm.dong.focus();
		return false;
	}
}

function sidoChange(sido){
	var obj = document.searchForm;
	obj.sido.value = sido;
	gugunSearch(sido, '');
	try{
		obj.sido.reInitializeSelectBox();
	}catch(e){ }
}

function gugunChange(gugun){
	var obj = document.searchForm;
	obj.gugun.value = gugun;
	obj.submit();
}

function dongChange(dong){
	var obj = document.searchForm;
	obj.dong.value = dong;
	obj.submit();
}

function aptChange(apt){
	var obj = document.searchForm;
	obj.apt.value = apt;
	obj.submit();
}