$(document).ready(function() {
	function getUrlVars(){
		var vars = [], hash;
		var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
		for(var i = 0; i <hashes.length; i++){
			hash = hashes[i].split('=');
			vars.push(hash[0]);
			vars[hash[0]] = hash[1];
		}
		return vars;
	}
	var n = getUrlVars()["naiyou"];
	if(n != ""){
		$("#naiyou option:eq("+n+")").attr({ 
			selected: "selected"
		});
	}
	
});