// JavaScript Document
//更换站点
	function changeSite(lang){
		switch(lang){
			case "zh-cn":
				window.location = "/";break;
			case "en":
				window.location = "/index.do?lang=en";break;
			default:
				window.location = "/";break;
		
		}
	}
	
	
	//更换验证码
	function reloadCheckCode(obj , url){
		obj.src = url + "r=" + Math.random();
	}
	
	//检测email
	function checkEmail(emailValue){ 
 		var pattern = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; 
		return pattern.test(emailValue) ? true : false;
	}