function Juge(valform){
	   if(valform.u_name_email.value==""){
                     alert("请填写E-mail帐户！！");
                     valform.u_name_email.focus();
                     return false;
            }
        	if(valform.u_name_email.value.length>0){
            	if(valform.u_name_email.value.indexOf("@")==-1){
               		alert("请检查电子邮箱格式！！！");
               		valform.u_name_email.focus();
               		return (false);
            	}
            	if(valform.u_name_email.value.indexOf(".")==-1){
               		alert("请检查电子邮箱格式！！！");
               		valform.u_name_email.focus();
               		return (false);
            	}
				
        	}
			if(valform.password.value==""){
                     alert("\'密码\'必须填写！");
                     valform.password.focus();
                     return false;
            }
			

	   }