$(document).ready(function (){
$("select.search_select").linkselect({
	init: function() {
		$("#type").linkselect("val");
	}
});
});

function changeOrder(o) {
	document.getElementById("o").value = o;
	document.forms[0].submit();
}

function selectType(type, obj) {
	document.tform.type.value = type;
	$(".selected")[0].className = "unselected";
	obj.className = "selected";
}

var hint="课本、老师、活动、学馆...";
function searchFocus(obj) {
	var o = $(obj);
	if (o.hasClass("searchHint")) {
		o.removeClass("searchHint");
		obj.value = "";
	}
}

function searchBlur(obj) {
	var o = $(obj);
	if (obj.value == "") {
		o.addClass("searchHint");
		o.attr("value", hint);
	}
}

if ($("#key").hasClass("searchHint")) {
	$("#key").attr("value", hint);
}

function selectTypev() {
	var s = $("#key");
	var v = s.attr("value");
	if (v == hint || v == "") {
		s.attr("value", "");
		alert ("请输入搜索内容");
		s.focus();
		return false;
	}
	return true;
}